https://github.com/torvalds/linux
Revision 78ce241099bb363b19dbd0245442e66c8de8f567 authored by Borislav Petkov on 17 May 2018, 08:46:26 UTC, committed by Thomas Gleixner on 19 May 2018, 13:19:30 UTC
... into a global, two-dimensional array and service subsequent reads from
that cache to avoid rdmsr_on_cpu() calls during CPU hotplug (IPIs with IRQs
disabled).
In addition, this fixes a KASAN slab-out-of-bounds read due to wrong usage
of the bank->blocks pointer.
Fixes: 27bd59502702 ("x86/mce/AMD: Get address from already initialized block")
Reported-by: Johannes Hirte <johannes.hirte@datenkhaos.de>
Tested-by: Johannes Hirte <johannes.hirte@datenkhaos.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Yazen Ghannam <yazen.ghannam@amd.com>
Link: http://lkml.kernel.org/r/20180414004230.GA2033@probook
1 parent 73fcb1a
Tip revision: 78ce241099bb363b19dbd0245442e66c8de8f567 authored by Borislav Petkov on 17 May 2018, 08:46:26 UTC
x86/MCE/AMD: Cache SMCA MISC block addresses
x86/MCE/AMD: Cache SMCA MISC block addresses
Tip revision: 78ce241
| File | Mode | Size |
|---|---|---|
| ib.h | -rw-r--r-- | 3.3 KB |
| ib_addr.h | -rw-r--r-- | 9.3 KB |
| ib_cache.h | -rw-r--r-- | 5.6 KB |
| ib_cm.h | -rw-r--r-- | 18.9 KB |
| ib_fmr_pool.h | -rw-r--r-- | 3.4 KB |
| ib_hdrs.h | -rw-r--r-- | 8.6 KB |
| ib_mad.h | -rw-r--r-- | 28.1 KB |
| ib_marshall.h | -rw-r--r-- | 2.0 KB |
| ib_pack.h | -rw-r--r-- | 9.0 KB |
| ib_pma.h | -rw-r--r-- | 5.4 KB |
| ib_sa.h | -rw-r--r-- | 22.3 KB |
| ib_smi.h | -rw-r--r-- | 5.5 KB |
| ib_umem.h | -rw-r--r-- | 3.5 KB |
| ib_umem_odp.h | -rw-r--r-- | 5.3 KB |
| ib_verbs.h | -rw-r--r-- | 113.1 KB |
| iw_cm.h | -rw-r--r-- | 8.6 KB |
| iw_portmap.h | -rw-r--r-- | 7.5 KB |
| mr_pool.h | -rw-r--r-- | 954 bytes |
| opa_addr.h | -rw-r--r-- | 4.4 KB |
| opa_port_info.h | -rw-r--r-- | 14.8 KB |
| opa_smi.h | -rw-r--r-- | 4.3 KB |
| opa_vnic.h | -rw-r--r-- | 4.0 KB |
| rdma_cm.h | -rw-r--r-- | 14.7 KB |
| rdma_cm_ib.h | -rw-r--r-- | 2.1 KB |
| rdma_netlink.h | -rw-r--r-- | 3.3 KB |
| rdma_vt.h | -rw-r--r-- | 15.9 KB |
| rdmavt_cq.h | -rw-r--r-- | 3.4 KB |
| rdmavt_mr.h | -rw-r--r-- | 6.0 KB |
| rdmavt_qp.h | -rw-r--r-- | 21.2 KB |
| restrack.h | -rw-r--r-- | 4.0 KB |
| rw.h | -rw-r--r-- | 2.8 KB |
| uverbs_ioctl.h | -rw-r--r-- | 17.9 KB |
| uverbs_named_ioctl.h | -rw-r--r-- | 3.7 KB |
| uverbs_std_types.h | -rw-r--r-- | 3.4 KB |
| uverbs_types.h | -rw-r--r-- | 7.1 KB |
Computing file changes ...
