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| author | David S. Miller <davem@davemloft.net> | 2012-03-05 21:16:26 -0500 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-03-05 21:16:26 -0500 |
| commit | f6a1ad4295f9291038380178d09978caf6982dd8 (patch) | |
| tree | 7c35e8efe1812baca9c6b9674be1ee02a0495ec3 /arch/x86/kernel/entry_64.S | |
| parent | 036dafa28da1e2565a8529de2ae663c37b7a0060 (diff) | |
| parent | f3969bf78f140f437f51787dfc2751943ba454d1 (diff) | |
| download | linux-f6a1ad4295f9291038380178d09978caf6982dd8.tar.gz linux-f6a1ad4295f9291038380178d09978caf6982dd8.tar.bz2 linux-f6a1ad4295f9291038380178d09978caf6982dd8.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
drivers/net/vmxnet3/vmxnet3_drv.c
Small vmxnet3 conflict with header size bug fix in 'net'.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/x86/kernel/entry_64.S')
| -rw-r--r-- | arch/x86/kernel/entry_64.S | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/kernel/entry_64.S b/arch/x86/kernel/entry_64.S index 3fe8239fd8fb..1333d9851778 100644 --- a/arch/x86/kernel/entry_64.S +++ b/arch/x86/kernel/entry_64.S @@ -1532,10 +1532,17 @@ ENTRY(nmi) pushq_cfi %rdx /* + * If %cs was not the kernel segment, then the NMI triggered in user + * space, which means it is definitely not nested. + */ + cmpl $__KERNEL_CS, 16(%rsp) + jne first_nmi + + /* * Check the special variable on the stack to see if NMIs are * executing. */ - cmp $1, -8(%rsp) + cmpl $1, -8(%rsp) je nested_nmi /* |