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| author |   Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:12 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-07 13:14:18 +0100 |
| commit | f3d607c6b39bd9cb5000e03e2c0dc2afe1241374 (patch) | |
| tree | 885b5e0b5bb3d87efc4bfbde69feff2ece32ecac /arch/x86/mm/kmmio.c | |
| parent | x86: Fix typo in arch/x86/mm/kmmio.c (diff) | |
| parent | Merge branch 'x86-debug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip (diff) | |
| download | wireguard-linux-f3d607c6b39bd9cb5000e03e2c0dc2afe1241374.tar.xz wireguard-linux-f3d607c6b39bd9cb5000e03e2c0dc2afe1241374.zip | |
Merge branch 'linus' into x86/urgent
Merge reason: we want to queue up a dependent fix.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm/kmmio.c')
| -rw-r--r-- | arch/x86/mm/kmmio.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/arch/x86/mm/kmmio.c b/arch/x86/mm/kmmio.c index 72f157247ab1..88612cdcdc3b 100644 --- a/arch/x86/mm/kmmio.c +++ b/arch/x86/mm/kmmio.c @@ -540,8 +540,14 @@ kmmio_die_notifier(struct notifier_block *nb, unsigned long val, void *args) struct die_args *arg = args; if (val == DIE_DEBUG && (arg->err & DR_STEP)) - if (post_kmmio_handler(arg->err, arg->regs) == 1) + if (post_kmmio_handler(arg->err, arg->regs) == 1) { + /* + * Reset the BS bit in dr6 (pointed by args->err) to + * denote completion of processing + */ + (*(unsigned long *)ERR_PTR(arg->err)) &= ~DR_STEP; return NOTIFY_STOP; + } return NOTIFY_DONE; } |