https://github.com/torvalds/linux
Revision 5156ddce6c0a152ee7ccab2c976c6a8abc8a49b5 authored by Kumar Gala on 30 July 2009, 04:04:25 UTC, committed by Kumar Gala on 30 July 2009, 04:05:43 UTC
In switch_mmu_context() if we call steal_context_smp() to get a context to use we shouldn't fall through and than call steal_context_up(). Doing so can be problematic in that the 'mm' that steal_context_up() ends up using will not get marked dirty in the stale_map[] for other CPUs that might have used that mm. Thus we could end up with stale TLB entries in the other CPUs that can cause all kinda of havoc. Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Tip revision: 5156ddce6c0a152ee7ccab2c976c6a8abc8a49b5 authored by Kumar Gala on 30 July 2009, 04:04:25 UTC
powerpc/mm: Fix SMP issue with MMU context handling code
powerpc/mm: Fix SMP issue with MMU context handling code
Tip revision: 5156ddc
| File | Mode | Size |
|---|---|---|
| Documentation | ||
| arch | ||
| block | ||
| crypto | ||
| drivers | ||
| firmware | ||
| fs | ||
| include | ||
| init | ||
| ipc | ||
| kernel | ||
| lib | ||
| mm | ||
| net | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .gitignore | -rw-r--r-- | 952 bytes |
| .mailmap | -rw-r--r-- | 3.9 KB |
| COPYING | -rw-r--r-- | 18.3 KB |
| CREDITS | -rw-r--r-- | 91.7 KB |
| Kbuild | -rw-r--r-- | 2.4 KB |
| MAINTAINERS | -rw-r--r-- | 149.3 KB |
| Makefile | -rw-r--r-- | 53.9 KB |
| README | -rw-r--r-- | 17.0 KB |
| REPORTING-BUGS | -rw-r--r-- | 3.1 KB |
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