https://github.com/torvalds/linux
- HEAD
- refs/heads/arm64-uaccess
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/certifi-2024.7.4
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/idna-3.7
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/requests-2.32.2
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/setuptools-70.0.0
- refs/heads/dependabot/pip/drivers/gpu/drm/ci/xfails/urllib3-2.2.2
- refs/heads/master
- 0d0fb0f9c5fddef4a10242fe3337f00f528a3099
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Revision | Author | Date | Message | Commit Date |
---|---|---|---|---|
0d0fb0f | Linus Torvalds | 13 April 2010, 01:41:35 UTC | Linux 2.6.34-rc4 | 13 April 2010, 01:41:35 UTC |
64a8920 | Linus Torvalds | 13 April 2010, 01:39:58 UTC | Merge branch 'anonvma' * anonvma: anonvma: when setting up page->mapping, we need to pick the _oldest_ anonvma anon_vma: clone the anon_vma chain in the right order vma_adjust: fix the copying of anon_vma chains Simplify and comment on anon_vma re-use for anon_vma_prepare() | 13 April 2010, 01:39:58 UTC |
50b88c4 | Linus Torvalds | 13 April 2010, 01:37:34 UTC | Merge master.kernel.org:/home/rmk/linux-2.6-arm * master.kernel.org:/home/rmk/linux-2.6-arm: (21 commits) ARM: Fix ioremap_cached()/ioremap_wc() for SMP platforms ARM: 6043/1: AT91 slow-clock resume: Don't wait for a disabled PLL to lock ARM: 6031/1: fix Thumb-2 decompressor ARM: 6029/1: ep93xx: gpio.c: local functions should be static ARM: 6028/1: ARM: add MAINTAINERS for U300 ARM: 6024/1: bcmring: fix missing down on semaphore in dma.c MXC: mach_armadillo5x0: Add USB Host support. ARM mach-mx3: duplicated include ARM mach-mx3: duplicated include imx31: add watchdog device on litekit board. imx3: Add watchdog platform device support MXC: mach-mx31_3ds: add support for freescale mc13783 power management device. MXC: mach-mx31_3ds: Add SPI1 device support. MXC: mach-mx31_3ds: Add support for on board NAND Flash. MXC: mach-mx31_3ds: Update variable names over recent mach name modification. imx31: fix parent clock for rtc i.MX51: remove NFC AXI static mapping i.MX51: determine silicon revision dynamically i.MX51: map TZIC dynamically i.MX51: Use correct clock for gpt ... | 13 April 2010, 01:37:34 UTC |
d6cf853 | Linus Torvalds | 13 April 2010, 01:37:04 UTC | Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable * 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/mason/btrfs-unstable: Btrfs: make sure the chunk allocator doesn't create zero length chunks Btrfs: fix data enospc check overflow | 13 April 2010, 01:37:04 UTC |
6a945f3 | Linus Torvalds | 13 April 2010, 01:36:49 UTC | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-fs-2.6: quota: Fix possible dq_flags corruption quota: Hide warnings about writes to the filesystem before quota was turned on ext3: symlink must be handled via filesystem specific operation ext2: symlink must be handled via filesystem specific operation | 13 April 2010, 01:36:49 UTC |
50fc88c | Linus Torvalds | 13 April 2010, 01:36:34 UTC | Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6 * 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jack/linux-udf-2.6: udf: add speciffic ->setattr callback udf: potential integer overflow | 13 April 2010, 01:36:34 UTC |
4505a49 | Linus Torvalds | 13 April 2010, 01:36:11 UTC | Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus * 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (36 commits) MIPS: Calculate proper ebase value for 64-bit kernels MIPS: Alchemy: DB1200: Remove custom wait implementation MIPS: Big Sur: Make defconfig more useful. MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules MIPS: Sibyte: Fix M3 TLB exception handler workaround. MIPS: BCM63xx: Fix build failure in board_bcm963xx.c MIPS: uasm: Add OR instruction. MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions. MIPS: BCM63xx: Initialize gpio_out_low & out_high to current value at boot. MIPS: BCM63xx: Register SSB SPROM fallback in board's first stage callback MIPS: BCM63xx: Fix typo in cpu-feature-overrides file. MIPS: BCM63xx: Add support for second uart. MIPS: BCM63xx: Fix double gpio registration. MIPS: BCM63xx: Add DWVS0 board MIPS: BCM63xx: Add the RTA1025W-16 BCM6348-based board to suppported boards. MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count MIPS: libgcc.h: Checkpatch cleanup MIPS: Loongson-2F: Flush the branch target history in BTB and RAS MIPS: Move signal trampolines off of the stack. MIPS: Preliminary VDSO ... | 13 April 2010, 01:36:11 UTC |
fedfb94 | Linus Torvalds | 13 April 2010, 01:34:56 UTC | Merge branch 'for-2.6.34' of git://linux-nfs.org/~bfields/linux * 'for-2.6.34' of git://linux-nfs.org/~bfields/linux: svcrdma: RDMA support not yet compatible with RPC6 | 13 April 2010, 01:34:56 UTC |
44fa2b4 | Linus Torvalds | 13 April 2010, 01:34:25 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ryusuke/nilfs2: nilfs2: fix typo "numer" -> "number" in alloc.c nilfs2: Remove an uninitialization warning in nilfs_btree_propagate_v() nilfs2: fix a wrong type conversion in nilfs_ioctl() | 13 April 2010, 01:34:25 UTC |
ea90002 | Linus Torvalds | 12 April 2010, 19:44:29 UTC | anonvma: when setting up page->mapping, we need to pick the _oldest_ anonvma Otherwise we might be mapping in a page in a new mapping, but that page (through the swapcache) would later be mapped into an old mapping too. The page->mapping must be the case that works for everybody, not just the mapping that happened to page it in first. Here's the scenario: - page gets allocated/mapped by process A. Let's call the anon_vma we associate the page with 'A' to keep it easy to track. - Process A forks, creating process B. The anon_vma in B is 'B', and has a chain that looks like 'B' -> 'A'. Everything is fine. - Swapping happens. The page (with mapping pointing to 'A') gets swapped out (perhaps not to disk - it's enough to assume that it's just not mapped any more, and lives entirely in the swap-cache) - Process B pages it in, which goes like this: do_swap_page -> page = lookup_swap_cache(entry); ... set_pte_at(mm, address, page_table, pte); page_add_anon_rmap(page, vma, address); And think about what happens here! In particular, what happens is that this will now be the "first" mapping of that page, so page_add_anon_rmap() used to do if (first) __page_set_anon_rmap(page, vma, address); and notice what anon_vma it will use? It will use the anon_vma for process B! What happens then? Trivial: process 'A' also pages it in (nothing happens, it's not the first mapping), and then process 'B' execve's or exits or unmaps, making anon_vma B go away. End result: process A has a page that points to anon_vma B, but anon_vma B does not exist any more. This can go on forever. Forget about RCU grace periods, forget about locking, forget anything like that. The bug is simply that page->mapping points to an anon_vma that was correct at one point, but was _not_ the one that was shared by all users of that possible mapping. Changing it to always use the deepest anon_vma in the anonvma chain gets us to the safest model. This can be improved in certain cases: if we know the page is private to just this particular mapping (for example, it's a new page, or it is the only swapcache entry), we could pick the top (most specific) anon_vma. But that's a future optimization. Make it _work_ reliably first. Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Tested-by: Borislav Petkov <bp@alien8.de> [ "What do you know, I think you fixed it!" ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 April 2010, 00:54:13 UTC |
646d87b | Linus Torvalds | 12 April 2010, 00:15:03 UTC | anon_vma: clone the anon_vma chain in the right order We want to walk the chain in reverse order when cloning it, so that the order of the result chain will be the same as the order in the source chain. When we add entries to the chain, they go at the head of the chain, so we want to add the source head last. Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Tested-by: Borislav Petkov <bp@alien8.de> [ "No, it still oopses" ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 April 2010, 00:54:12 UTC |
287d97a | Linus Torvalds | 10 April 2010, 22:22:30 UTC | vma_adjust: fix the copying of anon_vma chains When we move the boundaries between two vma's due to things like mprotect, we need to make sure that the anon_vma of the pages that got moved from one vma to another gets properly copied around. And that was not always the case, in this rather hard-to-follow code sequence. Clarify the code, and fix it so that it copies the anon_vma from the right source. Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Tested-by: Borislav Petkov <bp@alien8.de> [ "Yeah, not so much this one either" ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 April 2010, 00:54:11 UTC |
d0e9fe1 | Linus Torvalds | 10 April 2010, 17:36:19 UTC | Simplify and comment on anon_vma re-use for anon_vma_prepare() This changes the anon_vma reuse case to require that we only reuse simple anon_vma's - ie the case when the vma only has a single anon_vma associated with it. This means that a reuse of an anon_vma from an adjacent vma will always guarantee that both vma's are associated not only with the same anon_vma, they will also have the same anon_vma chain (of just a single entry in this case). And since anon_vma re-use was the only case where the same anon_vma might be associated with different chains of anon_vma's, we now have the case that every vma that shares the same anon_vma will always also have the same chain. That makes it much easier to think about merging vma's that share the same anon_vma's: you can always just drop the other anon_vma chain in anon_vma_merge() since you know that they are always identical. This also splits up the function to validate the anon_vma re-use, and adds a lot of commentary about the possible races. Reviewed-by: Rik van Riel <riel@redhat.com> Acked-by: Johannes Weiner <hannes@cmpxchg.org> Tested-by: Borislav Petkov <bp@alien8.de> [ "That didn't fix it" ] Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 13 April 2010, 00:53:59 UTC |
0826167 | Andrew Perepechko | 12 April 2010, 18:16:50 UTC | quota: Fix possible dq_flags corruption dq_flags are modified non-atomically in do_set_dqblk via __set_bit calls and atomically for example in mark_dquot_dirty or clear_dquot_dirty. Hence a change done by an atomic operation can be overwritten by a change done by a non-atomic one. Fix the problem by using atomic bitops even in do_set_dqblk. Signed-off-by: Andrew Perepechko <andrew.perepechko@sun.com> Signed-off-by: Jan Kara <jack@suse.cz> | 12 April 2010, 19:12:36 UTC |
4c5e6c0 | Jan Kara | 06 April 2010, 16:52:47 UTC | quota: Hide warnings about writes to the filesystem before quota was turned on For a root filesystem write to the filesystem before quota is turned on happens regularly and there's no way around it because of writes to syslog, /etc/mtab, and similar. So the warning is rather pointless for ordinary users. It's still useful during development so we just hide the warning behind __DQUOT_PARANOIA config option. Signed-off-by: Jan Kara <jack@suse.cz> | 12 April 2010, 19:12:19 UTC |
774f03f | Dmitry Monakhov | 26 March 2010, 16:29:55 UTC | ext3: symlink must be handled via filesystem specific operation generic setattr implementation is no longer responsible for quota transfer so synlinks must be handled via ext3_setattr. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz> | 12 April 2010, 19:11:39 UTC |
fc7683a | Dmitry Monakhov | 26 March 2010, 16:29:54 UTC | ext2: symlink must be handled via filesystem specific operation generic setattr implementation is no longer responsible for quota transfer so synlinks must be handled via ext2_setattr. Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org> Signed-off-by: Jan Kara <jack@suse.cz> | 12 April 2010, 19:11:25 UTC |
f6be75d | David Daney | 06 April 2010, 20:29:50 UTC | MIPS: Calculate proper ebase value for 64-bit kernels The ebase is relative to CKSEG0 not CAC_BASE. On a 32-bit kernel they are the same thing, for a 64-bit kernel they are not. It happens to kind of work on a 64-bit kernel as they both reference the same physical memory. However since the CPU uses the CKSEG0 base, determining if a J instruction will reach always gives the wrong result unless we use the same number the CPU uses. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1093/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:22 UTC |
d8000be | Manuel Lauss | 03 April 2010, 15:07:03 UTC | MIPS: Alchemy: DB1200: Remove custom wait implementation While playing with the out-of-tree MAE driver module, the system would panic after a while in the db1200 custom wait code after wakeup due to a clobbered k0 register being used as target address of a store op. Remove the custom wait implementation and revert back to the Alchemy- recommended implementation already set as default. Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com> To: Linux-MIPS <linux-mips@linux-mips.org> Patchwork: http://patchwork.linux-mips.org/patch/1092/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:22 UTC |
2844e49 | Ralf Baechle | 03 April 2010, 09:59:52 UTC | MIPS: Big Sur: Make defconfig more useful. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:22 UTC |
7b3e543 | Anton Altaparmakov | 25 March 2010, 20:48:12 UTC | MIPS: Fix __vmalloc() etc. on MIPS for non-GPL modules Commit b3594a089f1c17ff919f8f78505c3f20e1f6f8ce (lmo) rsp. 351336929ccf222ae38ff0cb7a8dd5fd5c6236a0 (kernel.org) break non-GPL modules that use __vmalloc() or any of the vmap(), vm_map_ram(), etc functions on MIPS. All those functions are EXPORT_SYMBOL() so are meant to be allowed to be used by non-GPL kernel modules. These calls all take page protection as an argument which is normally a constant like PAGE_KERNEL. This commit causes all protection constants like PAGE_KERNEL to not be constants and instead to contain the GPL-only symbol _page_cachable_default. This means that all calls to __vmalloc(), vmap(), etc, cause non-GPL modules to fail to link with the complaint that they are trying to use the GPL-only symbol _page_cachable_default... Change EXPORT_SYMBOL_GPL(_page_cachable_default) to EXPORT_SYMBOL() for non-GPL modules that call __vmalloc(), vmap(), vm_map_ram() etc. Signed-off-by: Anton Altaparmakov <aia21@cantab.net> Cc: Chris Dearman <chris@mips.com> Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: http://patchwork.linux-mips.org/patch/1084/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:21 UTC |
3d45285 | Ralf Baechle | 23 March 2010, 16:56:38 UTC | MIPS: Sibyte: Fix M3 TLB exception handler workaround. The M3 workaround needs to cmpare the region and VPN2 fields only. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:21 UTC |
5e3644a | Florian Fainelli | 23 March 2010, 09:30:08 UTC | MIPS: BCM63xx: Fix build failure in board_bcm963xx.c Since 2083e8327aeeaf818b0e4522a9d2539835c60423, the SPROM is now registered in the board_prom_init callback, but it references variables and functions which are declared below. Move the variables and functions above board_prom_init. Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1077/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:20 UTC |
5808184 | Ralf Baechle | 23 March 2010, 14:54:50 UTC | MIPS: uasm: Add OR instruction. This is needed for the fix of the M3 workaround. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:20 UTC |
8d9df29 | Ralf Baechle | 22 March 2010, 23:02:43 UTC | MIPS: Sibyte: Apply M3 workaround only on affected chip types and versions. Previously it was unconditionally used on all Sibyte family SOCs. The M3 bug has to be handled in the TLB exception handler which is extremly performance sensitive, so this modification is expected to deliver around 2-3% performance improvment. This is important as required changes to the M3 workaround will make it more costly. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:19 UTC |
9538ca6 | Maxime Bizon | 30 January 2010, 17:34:58 UTC | MIPS: BCM63xx: Initialize gpio_out_low & out_high to current value at boot. To avoid a glitch during GPIO initialisation read GPIO output register values left by the firmware. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/903/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:19 UTC |
e23a90e | Florian Fainelli | 02 March 2010, 13:38:47 UTC | MIPS: BCM63xx: Register SSB SPROM fallback in board's first stage callback Signed-off-by: Florian Fainelli <ffainelli@freebox.fr> To: Maxime Bizon <mbizon@freebox.fr> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1017/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:18 UTC |
4fe67e4 | Maxime Bizon | 30 January 2010, 17:34:56 UTC | MIPS: BCM63xx: Fix typo in cpu-feature-overrides file. Fix typo: CONFIG_BCMCPU_IS_63xx does not exist; CONFIG_BCM63XX_CPU_63xx is the valid config option. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> To: linux-mips@linux-mips.org Cc: Maxime Bizon <mbizon@freebox.fr> Patchwork: http://patchwork.linux-mips.org/patch/901/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:18 UTC |
524ef29 | Maxime Bizon | 30 January 2010, 17:34:55 UTC | MIPS: BCM63xx: Add support for second uart. The BCm63xx SOC has two uarts. Some boards use the second one for bluetooth. This patch changes platform device registration code to handle this. Changes to the UART driver were already merged in 6a2c7eabfd09ca7986bf96b8958a87ca041a19d8. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> To: linux-mips@linux-mips.org Cc: Maxime Bizon <mbizon@freebox.fr> Patchwork: http://patchwork.linux-mips.org/patch/900/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:18 UTC |
97befcf | Maxime Bizon | 30 January 2010, 17:34:54 UTC | MIPS: BCM63xx: Fix double gpio registration. bcm63xx_gpio_init is already called from prom_init to allow board to use them early, so we can remove the unneeded arch_initcall. Signed-off-by: Maxime Bizon <mbizon@freebox.fr> To: linux-mips@linux-mips.org Cc: Maxime Bizon <mbizon@freebox.fr> Patchwork: http://patchwork.linux-mips.org/patch/899/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:17 UTC |
f29b7ca | Florian Fainelli | 01 March 2010, 22:36:27 UTC | MIPS: BCM63xx: Add DWVS0 board The DWVS0 board is a BCM6358-based board with an on-board OHCI controler. Signed-off-by: Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1015/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:17 UTC |
2e6ad9a | Florian Fainelli | 01 March 2010, 22:36:22 UTC | MIPS: BCM63xx: Add the RTA1025W-16 BCM6348-based board to suppported boards. Signed-off-by: Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1014/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:17 UTC |
d1b2875 | Florian Fainelli | 01 March 2010, 22:36:32 UTC | MIPS: BCM63xx: Fix BCM6338 and BCM6345 gpio count The number of GPIOs on BCM6338 is 8, while BCM6345 has only 16 GPIOs available. Signed-off-by: Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1016/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:16 UTC |
b44c779 | Andrea Gelmini | 27 February 2010, 16:51:23 UTC | MIPS: libgcc.h: Checkpatch cleanup arch/mips/lib/libgcc.h:21: ERROR: open brace '{' following union go on the same line Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net> To: linux-kernel@vger.kernel.org Cc: Paul Mundt <lethal@linux-sh.org> Cc: linux-mips@linux-mips.org Cc: linux-sh@vger.kernel.org Patchwork: http://patchwork.linux-mips.org/patch/1007/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:15 UTC |
f1df323 | Wu Zhangjin | 13 March 2010, 04:34:15 UTC | MIPS: Loongson-2F: Flush the branch target history in BTB and RAS As per chapter 15 "Errata: Issue of Out-of-order in loongson"[1] to work around the Loongson 2F erratum we need to do: "When switching from user mode to kernel mode, you should flush the branch target history such as BTB and RAS." [1] Chinese version: http://www.loongson.cn/uploadfile/file/200808211 [2] English version of chapter 15: http://groups.google.com.hk/group/loongson-dev/msg/e0d2e220958f10a6?dmode=source Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Patchwork: http://patchwork.linux-mips.org/patch/1066/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:15 UTC |
d814c28 | David Daney | 19 February 2010, 00:13:05 UTC | MIPS: Move signal trampolines off of the stack. This is a follow on to the vdso patch. Since all processes now have signal trampolines permanently mapped, we can use those instead of putting the trampoline on the stack and invalidating the corresponding icache across all CPUs. We also get rid of a bunch of ICACHE_REFILLS_WORKAROUND_WAR code. [Ralf: GDB 7.1 which has the necessary modifications to allow backtracing over signal frames will supposedly be released tomorrow. The old signal frame format obsoleted by this patch exists in two variations, for sane processors and for those requiring ICACHE_REFILLS_WORKAROUND_WAR. So there was never a GDB which did support backtracing over signal frames on all MIPS systems. This convinved me this series should be applied and pushed upstream as soon as possible.] Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/974/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:15 UTC |
c52d0d3 | David Daney | 19 February 2010, 00:13:04 UTC | MIPS: Preliminary VDSO This is a preliminary patch to add a vdso to all user processes. Still missing are ELF headers and .eh_frame information. But it is enough to allow us to move signal trampolines off of the stack. Note that emulation of branch delay slots in the FPU emulator still requires the stack. We allocate a single page (the vdso) and write all possible signal trampolines into it. The stack is moved down by one page and the vdso is mapped into this space. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/975/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:14 UTC |
58b9e22 | David Daney | 19 February 2010, 00:13:03 UTC | MIPS: Add SYSCALL to uasm. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/976/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:14 UTC |
847253b | Andreas Ferber | 16 March 2010, 11:35:51 UTC | MIPS: Fix SSB PCIcore IO resource management The SSB PCIcore code reused the IO resource fixup code from the original 2.4.x Broadcom patch for BCM47xx based devices, which was a quick hack for doing PCI IO resource configuration back then (the boot loader doesn't configure PCI devices on this platform). However, this code is no longer necessary since the kernel now can do PCI resource management fine all by itself, so remove the old code. When removing the code, it becomes obvious that the mem_offset setting in the PCIcore driver was wrong, however this was masked by the fixup code before, except in a few cases involving yenta_socket. For BCM47xx, the correct offset is 0, and since this is the only device using PCIcore in host mode, the offset can simply be removed unconditionally. Signed-off-by: Andreas Ferber <af@chaos-agency.de> Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Markus Wigge <markus@cultcom.de> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1070/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:14 UTC |
86f7d75 | Florian Fainelli | 10 March 2010, 08:51:09 UTC | MIPS: make CAC_ADDR and UNCAC_ADDR account for PHYS_OFFSET On AR7, we already redefine PHYS_OFFSET to match the system specifities, it is however not sufficient when unsing dma_{map,unmap}_single, specifically in the ethernet driver, we must also adjust CAC_ADDR and UNCAC_ADDR for DMA to work correctly. This patch fixes the following issue, seen in cpmac_open: ops[#1]: Cpu 0 $ 0 : 00000000 10008400 a0f5b120 00000000 $ 4 : 94c59000 94270f64 00000020 00000010 $ 8 : 00000010 94103ce0 0000000a 94c03400 $12 : ffffffff 94c03408 94c03410 00000001 $16 : a0f5ba20 00000041 94c592c0 94c59200 $20 : 94c59000 000005ee 00002000 9438c8f0 $24 : 00000010 00000000 $28 : 94fac000 94fadd58 94390000 942724a8 Hi : 00000000 Lo : 00000001 epc : 94272518 cpmac_open+0x208/0x3f8 Not tainted ra : 942724a8 cpmac_open+0x198/0x3f8 Status: 10008403 KERNEL EXL IE Cause : 3080000c BadVA : 00000000 PrId : 00018448 (MIPS 4KEc) Modules linked in: Process ifconfig (pid: 278, threadinfo=94fac000, task=94e79590, tls=00000000) Stack : 7f8da120 2ab05cb0 94c59000 943356f0 00000000 943d0000 94c59000 943356f0 94c59030 943d0000 943c27c0 94fade10 00000000 94fade20 94c59000 9428e5a4 00000000 94c59000 00000041 94289768 94c59000 00000041 00001002 00001043 00000000 9428d810 00000000 94fade10 7f8da4e8 9428e6b8 00000000 7f8da4a8 7f8da4e8 00008914 00000000 942f7f2c 00000000 00000008 00408000 00008913 ... Call Trace: [<94272518>] cpmac_open+0x208/0x3f8 [<9428e5a4>] dev_open+0x164/0x264 [<9428d810>] dev_change_flags+0xd0/0x1bc [<942f7f2c>] devinet_ioctl+0x2d8/0x908 [<942771f8>] sock_ioctl+0x29c/0x2fc [<941a0fb4>] vfs_ioctl+0x2c/0x7c [<941a16ec>] do_vfs_ioctl+0x5dc/0x630 [<941a1790>] sys_ioctl+0x50/0x88 [<94101e10>] stack_done+0x20/0x3c Signed-off-by: peter fuerst <post@pfrst.de> Signed-off-by: Florian Fainelli <florian@openwrt.org> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1050/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:13 UTC |
727c007 | Alexander Clouter | 13 March 2010, 00:09:15 UTC | MIPS: AR7: Fix phat finger of cpmac fixed_phy_add Seems I trimmed one too many lines in 29ca2d81bd2a62fa86bc9a72ddadcf03d7daf795 (lmo) rsp 7084338eb8eb0cc021ba86c340157bad397f3f0b (kernel.org) which led to no functioning Ethernet on my WAG54Gv2. This patch restores the AWOL line. Signed-off-by: Alexander Clouter <alex@digriz.org.uk> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1065/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:13 UTC |
1e3fb37 | Alexander Clouter | 12 March 2010, 19:39:48 UTC | MIPS: AR7: Fix phat finger of reset bit in vlynq_high_data Seems in my whitespace cleanup 0f2536082d01448daeced8d9e82c3ba1751fefa3 (lmo) rsp. 8c2961da46abd85a71d20f2b169bf80618e (kernel.org) caused AR7 to no longer get as far as init. Fixed my phat fingering. Signed-off-by: Alexander Clouter <alex@digriz.org.uk> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1064/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:13 UTC |
582b65e | Wu Zhangjin | 09 March 2010, 16:53:21 UTC | MIPS: Loongson: Add module info to the loongson2_clock driver This patch fixes a kernel warning when loading the the loongson2_clock driver: "Feb 25 23:42:27 localhost kernel: [ 4.965000] loongson2_clock: module license 'unspecified' taints kernel." Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Reported-by: Liu Shiwei <liushiwei@gmail.com> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1045/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:12 UTC |
b846c10 | Wu Zhangjin | 11 March 2010, 03:30:50 UTC | MIPS: Lemote 2F: Ensure atomic execution of _rdmsr and _wrmsr On Lemote 2F CS5536 MSRs are accessed through a index / data register pair. The access sequence must be protected by a spinlock to be atomic. Without this rebooting in fs2f_reboot() may fail. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: David Daney <ddaney@caviumnetworks.com> Patchwork: http://patchwork.linux-mips.org/patch/1058/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:12 UTC |
5255366 | Robert P. J. Day | 27 February 2010, 17:02:51 UTC | MIPS: Initialize an atomic_t properly with ATOMIC_INIT(0). Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1008/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:12 UTC |
d5d3102 | Ralf Baechle | 11 March 2010, 07:48:14 UTC | MIPS: Fix elfcore.c build warning kernel/elfcore.c includes <linux/elf.h> which includes the <asm/elf.h>. In <asm/elf.h>, struct pt_regs is declared inside the parameter list of the elf_dump_regs function which causes a kernel build warning. Fixed by adding a forward declaration of struct pt_regs. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:11 UTC |
7ea4a68 | Yang Shi | 03 March 2010, 08:43:20 UTC | MIPS: Octeon: Remove redundant declaration of octeon_reserve32_memory octeon_reserve32_memory is defined In Octeon's setup.c, so remove the redundant extern declaration of this variable. Signed-off-by: Yang Shi <yang.shi@windriver.com> To: f.fainelli@gmail.com Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1022/ Acked-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:10 UTC |
7a7ac95 | Wu Zhangjin | 09 March 2010, 16:27:28 UTC | MIPS: Trace: Don't trace irqsoff for the idle process Like x86 did in arch/x86/kernel/{process_32.c,process_64.c}, also don't trace irqsoff for idle. If there's no useful work to be done, we don't care about the irqsoff duration. If we trace the idle process, the max duration of irqsoff will be the idle time and make the irqsoff tracer useless. Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com> Cc: linux-mips@linux-mips.org Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@redhat.com> Patchwork: http://patchwork.linux-mips.org/patch/1044/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:10 UTC |
abe5b41 | Ralf Baechle | 10 March 2010, 15:16:04 UTC | MIPS: delay: Fix use of current_cpu_data in preemptable code. This may lead to warnings like: BUG: using smp_processor_id() in preemptible [00000000] code: reboot/1989 caller is __udelay+0x14/0x70 Call Trace: [<ffffffff8110ad28>] dump_stack+0x8/0x34 [<ffffffff812dde04>] debug_smp_processor_id+0xf4/0x110 [<ffffffff812d90bc>] __udelay+0x14/0x70 [<ffffffff81378274>] md_notify_reboot+0x12c/0x148 [<ffffffff81161054>] notifier_call_chain+0x64/0xc8 [<ffffffff811614dc>] __blocking_notifier_call_chain+0x64/0xc0 [<ffffffff8115566c>] kernel_restart_prepare+0x1c/0x38 [<ffffffff811556cc>] kernel_restart+0x14/0x50 [<ffffffff8115581c>] SyS_reboot+0x10c/0x1f0 [<ffffffff81103684>] handle_sysn32+0x44/0x84 Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:09 UTC |
b1cea3b | David Daney | 03 March 2010, 19:07:43 UTC | MIPS: Octeon: Remove #if 0 code. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1029/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:09 UTC |
1ef2887 | David Daney | 03 March 2010, 19:07:07 UTC | MIPS: Octeon: Remove vestiges of CONFIG_CAVIUM_RESERVE32_USE_WIRED_TLB The config option CAVIUM_RESERVE32_USE_WIRED_TLB is not supported. Remove the dead code controlled by it. Signed-off-by: David Daney <ddaney@caviumnetworks.com> To: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1028/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:09 UTC |
1874a08 | Ralf Baechle | 09 March 2010, 19:16:15 UTC | MIPS: Cavium: Remove unused watchdog code. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> | 12 April 2010, 16:26:08 UTC |
c948aca | Ralf Baechle | 08 March 2010, 18:38:13 UTC | MIPS: Fix build breakage if CONFIG_DEBUG_FS is enabled. Caused by 38b7827fcdd660f591d645bd3ae6644456a4773c - no, cpu_local_* was not unused. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Cc: Christoph Lameter <cl@linux-foundation.org> Acked-by: David Daney <ddaney@caviumnetworks.com> | 12 April 2010, 16:26:08 UTC |
be3bd22 | Ryusuke Konishi | 11 April 2010, 16:51:03 UTC | nilfs2: fix typo "numer" -> "number" in alloc.c Fixes the typo found in a warning message of a persistent object allocator function. Signed-off-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> | 11 April 2010, 16:51:03 UTC |
0eddb51 | Linus Torvalds | 09 April 2010, 18:53:06 UTC | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: IB/mlx4: Check correct variable for allocation failure RDMA/nes: Correct cap.max_inline_data assignment in nes_query_qp() RDMA/cm: Set num_paths when manually assigning path records IB/cm: Fix device_create() return value check | 09 April 2010, 18:53:06 UTC |
f163937 | Linus Torvalds | 09 April 2010, 18:52:48 UTC | Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6 * 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: [S390] Update default configuration. [S390] nss: add missing .previous statement to asm function [S390] increase default size of vmalloc area [S390] s390: disable change bit override [S390] fix io_return critical section cleanup [S390] sclp_async: potential buffer overflow [S390] arch/s390/kernel: Add missing unlock | 09 April 2010, 18:52:48 UTC |
2f40842 | Linus Torvalds | 09 April 2010, 18:50:29 UTC | Merge branch 'for-linus' of git://git.kernel.dk/linux-2.6-block * 'for-linus' of git://git.kernel.dk/linux-2.6-block: (34 commits) cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch loop: Update mtime when writing using aops block: expose the statistics in blkio.time and blkio.sectors for the root cgroup backing-dev: Handle class_create() failure Block: Fix block/elevator.c elevator_get() off-by-one error drbd: lc_element_by_index() never returns NULL cciss: unlock on error path cfq-iosched: Do not merge queues of BE and IDLE classes cfq-iosched: Add additional blktrace log messages in CFQ for easier debugging i2o: Remove the dangerous kobj_to_i2o_device macro block: remove 16 bytes of padding from struct request on 64bits cfq-iosched: fix a kbuild regression block: make CONFIG_BLK_CGROUP visible Remove GENHD_FL_DRIVERFS block: Export max number of segments and max segment size in sysfs block: Finalize conversion of block limits functions block: Fix overrun in lcm() and move it to lib vfs: improve writeback_inodes_wb() paride: fix off-by-one test drbd: fix al-to-on-disk-bitmap for 4k logical_block_size ... | 09 April 2010, 18:50:29 UTC |
2f10ffc | Linus Torvalds | 09 April 2010, 18:50:01 UTC | Merge branch 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: (29 commits) drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers drm/nv50: implement gpio set/get routines drm/nv50: parse/use some more de-magiced parts of gpio table entries drm/nouveau: store raw gpio table entry in bios gpio structs drm/nv40: Init some tiling-related PGRAPH state. drm/nv50: Add NVA3 support in ctxprog/ctxvals generator. drm/nv50: another dodgy DP hack drm/nv50: punt hotplug irq handling out to workqueue drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders drm/nv50: Allow using the NVA3 new compute class. drm/nv50: cleanup properly if PDISPLAY init fails drm/nouveau: fixup the init failure paths some more drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark drm/nv40: add LVDS table quirk for Dell Latitude D620 drm/nv40: rework lvds table parsing drm/nouveau: detect vram amount once, and save the value drm/nouveau: remove some unused members from drm_nouveau_private drm/nouveau: Make use of TTM busy_placements. drm/nv50: add more 0x100c80 flushy magic drm/nv50: fix fbcon when framebuffer above 4GiB mark ... | 09 April 2010, 18:50:01 UTC |
ce82653 | David Howells | 06 April 2010, 21:36:20 UTC | radix_tree_tag_get() is not as safe as the docs make out [ver #2] radix_tree_tag_get() is not safe to use concurrently with radix_tree_tag_set() or radix_tree_tag_clear(). The problem is that the double tag_get() in radix_tree_tag_get(): if (!tag_get(node, tag, offset)) saw_unset_tag = 1; if (height == 1) { int ret = tag_get(node, tag, offset); may see the value change due to the action of set/clear. RCU is no protection against this as no pointers are being changed, no nodes are being replaced according to a COW protocol - set/clear alter the node directly. The documentation in linux/radix-tree.h, however, says that radix_tree_tag_get() is an exception to the rule that "any function modifying the tree or tags (...) must exclude other modifications, and exclude any functions reading the tree". The problem is that the next statement in radix_tree_tag_get() checks that the tag doesn't vary over time: BUG_ON(ret && saw_unset_tag); This has been seen happening in FS-Cache: https://www.redhat.com/archives/linux-cachefs/2010-April/msg00013.html To this end, remove the BUG_ON() from radix_tree_tag_get() and note in various comments that the value of the tag may change whilst the RCU read lock is held, and thus that the return value of radix_tree_tag_get() may not be relied upon unless radix_tree_tag_set/clear() and radix_tree_delete() are excluded from running concurrently with it. Reported-by: Romain DEGEZ <romain.degez@smartjog.com> Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Nick Piggin <npiggin@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 April 2010, 17:12:03 UTC |
d3e06e2 | Pekka Enberg | 07 April 2010, 16:23:41 UTC | slub: Fix kmem_ptr_validate() for non-kernel pointers As suggested by Linus, fix up kmem_ptr_validate() to handle non-kernel pointers more graciously. The patch changes kmem_ptr_validate() to use the newly introduced kern_ptr_validate() helper to check that a pointer is a valid kernel pointer before we attempt to convert it into a 'struct page'. Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Matt Mackall <mpm@selenic.com> Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Acked-by: Christoph Lameter <cl@linux-foundation.org> Acked-by: David Rientjes <rientjes@google.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 April 2010, 17:09:50 UTC |
fc1c183 | Pekka Enberg | 07 April 2010, 16:23:40 UTC | slab: Generify kernel pointer validation As suggested by Linus, introduce a kern_ptr_validate() helper that does some sanity checks to make sure a pointer is a valid kernel pointer. This is a preparational step for fixing SLUB kmem_ptr_validate(). Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Lameter <cl@linux-foundation.org> Cc: David Rientjes <rientjes@google.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Matt Mackall <mpm@selenic.com> Cc: Nick Piggin <npiggin@suse.de> Signed-off-by: Pekka Enberg <penberg@cs.helsinki.fi> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 April 2010, 17:09:50 UTC |
4dc86ae | Linus Torvalds | 09 April 2010, 17:05:33 UTC | Revert "memory-hotplug: add 0x prefix to HEX block_size_bytes" This reverts commit ba168fc37dea145deeb8fa9e7e71c748d2e00d74. It changes user-visible sysfs interfaces, and breaks some existing user space applications which apparently rely on the fact that the output does not contain the "0x" prefix. Requested-by: Heiko Carstens <heiko.carstens@de.ibm.com> Acked-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com> Acked-by: Wu Fengguang <fengguang.wu@intel.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> | 09 April 2010, 17:05:33 UTC |
5091b35 | Roland Dreier | 09 April 2010, 16:14:21 UTC | Merge branches 'cma', 'misc', 'mlx4' and 'nes' into for-linus | 09 April 2010, 16:14:21 UTC |
85b3cce | Russell King | 09 April 2010, 14:00:11 UTC | ARM: Fix ioremap_cached()/ioremap_wc() for SMP platforms Write combining/cached device mappings are not setting the shared bit, which could potentially cause problems on SMP systems since the cache lines won't participate in the cache coherency protocol. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com> | 09 April 2010, 14:00:11 UTC |
8e7fccc | Martin Schwidefsky | 09 April 2010, 11:43:04 UTC | [S390] Update default configuration. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
1876446 | Heiko Carstens | 09 April 2010, 11:43:03 UTC | [S390] nss: add missing .previous statement to asm function The savesys_ipl_nss asm function is put into the .init.text section however it is missing a ".previous" section which would restore the previous section. Luckily all functions in early.c are init functions so it doesn't matter currently. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
7d3f661 | Martin Schwidefsky | 09 April 2010, 11:43:02 UTC | [S390] increase default size of vmalloc area The default size of the vmalloc area is currently 1 GB. The memory resource controller uses about 10 MB of vmalloc space per gigabyte of memory. That turns a system with more than ~100 GB memory unbootable with the default vmalloc size. It costs us nothing to increase the default size to some more adequate value, e.g. 128 GB. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
6af7eea | Christian Borntraeger | 09 April 2010, 11:43:01 UTC | [S390] s390: disable change bit override commit 6a985c6194017de2c062916ad1cd00dee0302c40 ([S390] s390: use change recording override for kernel mapping) deactivated the change bit recording for the kernel mapping to improve the performance. This works most of the time, but there are cases (e.g. kernel runs in home space, futex atomic compare xcmg) where we modify user memory with the kernel mapping instead of the user mapping. Instead of fixing these cases, this patch just deactivates change bit override to avoid future problems with other kernel code that might use the kernel mapping for user memory. CC: stable@kernel.org Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
176b180 | Martin Schwidefsky | 09 April 2010, 11:43:00 UTC | [S390] fix io_return critical section cleanup If a machine check interrupts the io interrupt handler on one of the instructions between io_return and io_leave the critical section cleanup code will move the return psw to io_work_loop. By doing that the switch from the asynchronous interrupt stack to the process stack is skipped. If e.g. TIF_NEED_RESCHED is set things break because the scheduler is called with the asynchronous interrupts stack. Moving the psw back to io_return instead fixes the problem. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
35ac734 | Dan Carpenter | 09 April 2010, 11:42:59 UTC | [S390] sclp_async: potential buffer overflow "len" hasn't been properly range checked so we shouldn't use it as an array offset. This can only be written to by root but it would still be annoying to accidentally write more than 3 characters and corrupt your memory. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:02 UTC |
d7015c1 | Julia Lawall | 09 April 2010, 11:42:58 UTC | [S390] arch/s390/kernel: Add missing unlock In the default case the lock is not unlocked. The return is converted to a goto, to share the unlock at the end of the function. A simplified version of the semantic patch that finds this problem is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r exists@ expression E1; identifier f; @@ f (...) { <+... * spin_lock_irq (E1,...); ... when != E1 * return ...; ...+> } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com> | 09 April 2010, 11:43:01 UTC |
9823f1a | Anders Larsen | 08 April 2010, 10:48:16 UTC | ARM: 6043/1: AT91 slow-clock resume: Don't wait for a disabled PLL to lock at91 slow-clock resume: Don't wait for a disabled PLL to lock. We run into this problem with the PLLB on the at91: ohci-at91 disables the PLLB when going to suspend. The slowclock code however tries to do the same: It saves the PLLB register value and when restoring the value during resume, it waits for the PLLB to lock again. However the PLL will never lock and the loop would run into its timeout because the slowclock code just stored and restored an empty register. This fixes the problem by only restoring PLLA/PLLB when they were enabled at suspend time. Cc: Andrew Victor <avictor.za@gmail.com> Signed-off-by: Anders Larsen <al@alarsen.net> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk> | 09 April 2010, 07:31:04 UTC |
3440c49 | Divyesh Shah | 09 April 2010, 07:29:57 UTC | cfq-iosched: Fix the incorrect timeslice accounting with forced_dispatch When CFQ dispatches requests forcefully due to a barrier or changing iosched, it runs through all cfqq's dispatching requests and then expires each queue. However, it does not activate a cfqq before flushing its IOs resulting in using stale values for computing slice_used. This patch fixes it by calling activate queue before flushing reuqests from each queue. This is useful mostly for barrier requests because when the iosched is changing it really doesnt matter if we have incorrect accounting since we're going to break down all structures anyway. We also now expire the current timeslice before moving on with the dispatch to accurately account slice used for that cfqq. Signed-off-by: Divyesh Shah<dpshah@google.com> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 09 April 2010, 07:29:57 UTC |
930b9d9 | Dave Airlie | 09 April 2010, 04:27:51 UTC | Merge remote branch 'nouveau/for-airlied' of ../drm-nouveau-next into drm-linus * 'nouveau/for-airlied' of ../drm-nouveau-next: (21 commits) drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers drm/nv50: implement gpio set/get routines drm/nv50: parse/use some more de-magiced parts of gpio table entries drm/nouveau: store raw gpio table entry in bios gpio structs drm/nv40: Init some tiling-related PGRAPH state. drm/nv50: Add NVA3 support in ctxprog/ctxvals generator. drm/nv50: another dodgy DP hack drm/nv50: punt hotplug irq handling out to workqueue drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders drm/nv50: Allow using the NVA3 new compute class. drm/nv50: cleanup properly if PDISPLAY init fails drm/nouveau: fixup the init failure paths some more drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark drm/nv40: add LVDS table quirk for Dell Latitude D620 drm/nv40: rework lvds table parsing drm/nouveau: detect vram amount once, and save the value drm/nouveau: remove some unused members from drm_nouveau_private drm/nouveau: Make use of TTM busy_placements. drm/nv50: add more 0x100c80 flushy magic drm/nv50: fix fbcon when framebuffer above 4GiB mark ... | 09 April 2010, 04:27:51 UTC |
8e024f1 | Ben Skeggs | 15 March 2010, 22:45:07 UTC | drm/nouveau: bail out of auxch transaction if we repeatedly recieve defers There's one known case where we never stop recieving DEFER, and loop here forever. Lets not do that.. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:20:15 UTC |
4528416 | Ben Skeggs | 07 April 2010, 02:57:35 UTC | drm/nv50: implement gpio set/get routines Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:46 UTC |
02faec0 | Ben Skeggs | 07 April 2010, 02:05:32 UTC | drm/nv50: parse/use some more de-magiced parts of gpio table entries Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:45 UTC |
2535d71 | Ben Skeggs | 07 April 2010, 02:00:14 UTC | drm/nouveau: store raw gpio table entry in bios gpio structs And use our own version of the GPIO table for the INIT_GPIO opcode. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:44 UTC |
2295e17 | Francisco Jerez | 06 April 2010, 19:11:58 UTC | drm/nv40: Init some tiling-related PGRAPH state. Fixes garbled 3D on an nv46 card. Reported-by: Francesco Marella <francesco.marella@gmail.com> Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:43 UTC |
eaeefba | Marcin Kościelnicki | 02 April 2010, 10:28:18 UTC | drm/nv50: Add NVA3 support in ctxprog/ctxvals generator. Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:42 UTC |
e60a9df | Ben Skeggs | 30 March 2010, 06:01:41 UTC | drm/nv50: another dodgy DP hack Allows *some* DP cards to keep working in some corner cases that most people shouldn't hit. I hit it all the time with development, so this can stay for now. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:41 UTC |
a5acac6 | Ben Skeggs | 30 March 2010, 05:14:41 UTC | drm/nv50: punt hotplug irq handling out to workqueue On DP outputs we'll likely end up running vbios init tables here, which may sleep. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:40 UTC |
6f335a7 | Ben Skeggs | 29 March 2010, 00:06:09 UTC | drm/nv50: preserve an unknown SOR_MODECTRL value for DP encoders This value interacts with some registers we don't currently know how to program properly ourselves. The default of 5 that we were using matches what the VBIOS on early DP cards do, but later ones use 6, which would cause nouveau to program an incorrect mode on these chips. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:38 UTC |
d327dd4 | Marcin Kościelnicki | 24 March 2010, 13:43:16 UTC | drm/nv50: Allow using the NVA3 new compute class. Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:37 UTC |
a1663ed | Ben Skeggs | 25 March 2010, 06:01:04 UTC | drm/nv50: cleanup properly if PDISPLAY init fails Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:15:17 UTC |
78bb351 | Ben Skeggs | 25 March 2010, 06:00:09 UTC | drm/nouveau: fixup the init failure paths some more Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:12:30 UTC |
494ab82 | Ben Skeggs | 19 March 2010, 02:49:59 UTC | drm/nv50: fix instmem init on IGPs if stolen mem crosses 4GiB mark Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:12:19 UTC |
2eb92c8 | Ben Skeggs | 18 March 2010, 03:38:04 UTC | drm/nv40: add LVDS table quirk for Dell Latitude D620 Should fix: https://bugzilla.redhat.com/show_bug.cgi?id=505132 https://bugzilla.redhat.com/show_bug.cgi?id=543091 https://bugzilla.redhat.com/show_bug.cgi?id=530425 https://bugs.edge.launchpad.net/ubuntu/+source/xserver-xorg-video-nouveau/ +bug/539730 Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:12:15 UTC |
f3bbb9c | Ben Skeggs | 18 March 2010, 02:05:43 UTC | drm/nv40: rework lvds table parsing All indications seem to be that the version 0x30 table should be handled the same way as 0x40 (as used on G80), at least for the parts that we currently try use. This commit cleans up the parsing to make it clearer about what we're actually trying to achieve, and unifies the 0x30/0x40 parsing. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:12:07 UTC |
a76fb4e | Ben Skeggs | 17 March 2010, 23:45:20 UTC | drm/nouveau: detect vram amount once, and save the value As opposed to repeatedly reading the amount back from the GPU every time we need to know the VRAM size. We should now fail to load gracefully on detecting no VRAM, rather than something potentially messy happening. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:12:02 UTC |
952eb63 | Ben Skeggs | 17 March 2010, 23:23:19 UTC | drm/nouveau: remove some unused members from drm_nouveau_private Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:11:57 UTC |
78ad0f7 | Francisco Jerez | 18 March 2010, 12:07:47 UTC | drm/nouveau: Make use of TTM busy_placements. Previously we were filling it the same as "placements", but in some cases there're valid alternatives that we were ignoring completely. Keeping a back-up memory type helps on several low-mem situations. Signed-off-by: Francisco Jerez <currojerez@riseup.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:11:54 UTC |
40b2a68 | Ben Skeggs | 15 March 2010, 06:43:47 UTC | drm/nv50: add more 0x100c80 flushy magic Fixes the !vbo_fifo path in the 3D driver on certain chipsets. Still not really any good idea of what exactly the magic achieves, but it makes things work. While we're at it, in the PCIEGART path, flush on unbinding also. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:11:45 UTC |
0c32497 | Ben Skeggs | 16 March 2010, 03:20:58 UTC | drm/nv50: fix fbcon when framebuffer above 4GiB mark This can't actually happen right now, but lets fix it anyway. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:11:25 UTC |
0dd8c3f | Marcin Kościelnicki | 17 March 2010, 00:58:47 UTC | drm/nv50: Fix NEWCTX_DONE flag number Signed-off-by: Marcin Kościelnicki <koriakin@0x04.net> Signed-off-by: Ben Skeggs <bskeggs@redhat.com> | 09 April 2010, 00:11:20 UTC |
02246c4 | Nikanth Karthikesan | 08 April 2010, 19:39:31 UTC | loop: Update mtime when writing using aops Update mtime when writing to backing filesystem using the address space operations write_begin and write_end. Signed-off-by: Nikanth Karthikesan <knikanth@suse.de> Signed-off-by: Jens Axboe <jens.axboe@oracle.com> | 08 April 2010, 19:39:31 UTC |
9ddd3a3 | Linus Torvalds | 08 April 2010, 18:58:14 UTC | Merge git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6 * git://git.kernel.org/pub/scm/linux/kernel/git/sfrench/cifs-2.6: not overwriting file_lock structure after GET_LK cifs: Fix a kernel BUG with remote OS/2 server (try #3) [CIFS] initialize nbytes at the beginning of CIFSSMBWrite() [CIFS] Add mmap for direct, nobrl cifs mount types | 08 April 2010, 18:58:14 UTC |
d620a7c | Linus Torvalds | 08 April 2010, 17:02:02 UTC | Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev * 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev: libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2) | 08 April 2010, 17:02:02 UTC |
45c4d01 | Mark Lord | 07 April 2010, 17:52:08 UTC | libata: Fix accesses at LBA28 boundary (old bug, but nasty) (v2) Most drives from Seagate, Hitachi, and possibly other brands, do not allow LBA28 access to sector number 0x0fffffff (2^28 - 1). So instead use LBA48 for such accesses. This bug could bite a lot of systems, especially when the user has taken care to align partitions to 4KB boundaries. On misaligned systems, it is less likely to be encountered, since a 4KB read would end at 0x10000000 rather than at 0x0fffffff. Signed-off-by: Mark Lord <mlord@pobox.com> Signed-off-by: Jeff Garzik <jgarzik@redhat.com> | 08 April 2010, 16:53:57 UTC |
2aedd19 | Linus Torvalds | 08 April 2010, 15:37:05 UTC | Merge branch 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: sched: Fix sched_getaffinity() | 08 April 2010, 15:37:05 UTC |