https://github.com/torvalds/linux
Revision 6f66cbc63081fd70e3191b4dbb796746780e5ae1 authored by Hugh Dickins on 14 April 2009, 18:25:42 UTC, committed by Linus Torvalds on 14 April 2009, 18:45:59 UTC
Revert part of af5c820a3169e81af869c113e18ec7588836cd50 ("x86: cpumask:
use work_on_cpu in arch/x86/kernel/microcode_core.c")
That change is causing only one Intel CPU's microcode to be updated e.g.
microcode: CPU3 updated from revision 0x9 to 0x17, date = 2005-04-22
where before it announced that also for CPU0 and CPU1 and CPU2.
We cannot use work_on_cpu() in the CONFIG_MICROCODE_OLD_INTERFACE code,
because Intel's request_microcode_user() involves a copy_from_user() from
/sbin/microcode_ctl, which therefore needs to be on that CPU at the time.
Signed-off-by: Hugh Dickins <hugh@veritas.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Tip revision: 6f66cbc63081fd70e3191b4dbb796746780e5ae1 authored by Hugh Dickins on 14 April 2009, 18:25:42 UTC
x86 microcode: revert some work_on_cpu
x86 microcode: revert some work_on_cpu
Tip revision: 6f66cbc
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 867 bytes |
| .mailmap | -rw-r--r-- | 3.9 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 91.6 KB |
| Kbuild | -rw-r--r-- | 2.4 KB |
| MAINTAINERS | -rw-r--r-- | 142.1 KB |
| Makefile | -rw-r--r-- | 53.7 KB |
| README | -rw-r--r-- | 16.7 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.1 KB |
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