diff options
| author | Andrea Arcangeli <[email protected]> | 2011-02-16 15:45:22 -0800 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2011-03-10 09:41:57 +0100 |
| commit | a79e53d85683c6dd9f99c90511028adc2043031f (patch) | |
| tree | 191f423331b608a5f7f134f484ce62a9ee7fb4a6 /include/linux/uts.h | |
| parent | f86268549f424f83b9eb0963989270e14fbfc3de (diff) | |
x86/mm: Fix pgd_lock deadlock
It's forbidden to take the page_table_lock with the irq disabled
or if there's contention the IPIs (for tlb flushes) sent with
the page_table_lock held will never run leading to a deadlock.
Nobody takes the pgd_lock from irq context so the _irqsave can be
removed.
Signed-off-by: Andrea Arcangeli <[email protected]>
Acked-by: Rik van Riel <[email protected]>
Tested-by: Konrad Rzeszutek Wilk <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: <[email protected]>
LKML-Reference: <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Diffstat (limited to 'include/linux/uts.h')
0 files changed, 0 insertions, 0 deletions