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| author | Kyle McMartin <kyle@infradead.org> | 2008-12-23 13:44:30 (GMT) |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-24 01:03:21 (GMT) |
| commit | 5289f46b9de04bde181d833d48df9671b69c4b08 (patch) | |
| tree | 88bb3dbdb11e181cc267cb56c3c19e42e3630dbd /lib/kernel_lock.c | |
| parent | 8960223d5973b3eaf8cbc1984969bb6c7661e7b9 (diff) | |
| download | linux-fsl-qoriq-5289f46b9de04bde181d833d48df9671b69c4b08.tar.xz | |
parisc: disable UP-optimized flush_tlb_mm
flush_tlb_mm's "optimized" uniprocessor case of allocating a new
context for userspace is exposing a race where we can suddely return
to a syscall with the protection id and space id out of sync, trapping
on the next userspace access.
Debugged-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Tested-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/kernel_lock.c')
0 files changed, 0 insertions, 0 deletions