diff options
| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-12 12:01:14 +0900 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-11-12 12:01:14 +0900 |
| commit | 9b66bfb28049594fe2bb2b91607ba302f511ce8b (patch) | |
| tree | e96e79b1864699800c3f2c2e06b482a995744daf /kernel/debug/kdb/kdb_debugger.c | |
| parent | Merge branch 'x86-uaccess-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip (diff) | |
| parent | Revert "x86/UV: Add uvtrace support" (diff) | |
| download | linux-dev-9b66bfb28049594fe2bb2b91607ba302f511ce8b.tar.xz linux-dev-9b66bfb28049594fe2bb2b91607ba302f511ce8b.zip | |
Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 UV debug changes from Ingo Molnar:
"Various SGI UV debuggability improvements, amongst them KDB support,
with related core KDB enabling patches changing kernel/debug/kdb/"
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
Revert "x86/UV: Add uvtrace support"
x86/UV: Add call to KGDB/KDB from NMI handler
kdb: Add support for external NMI handler to call KGDB/KDB
x86/UV: Check for alloc_cpumask_var() failures properly in uv_nmi_setup()
x86/UV: Add uvtrace support
x86/UV: Add kdump to UV NMI handler
x86/UV: Add summary of cpu activity to UV NMI handler
x86/UV: Update UV support for external NMI signals
x86/UV: Move NMI support
Diffstat (limited to 'kernel/debug/kdb/kdb_debugger.c')
| -rw-r--r-- | kernel/debug/kdb/kdb_debugger.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c index 328d18ef31e4..8859ca34dcfe 100644 --- a/kernel/debug/kdb/kdb_debugger.c +++ b/kernel/debug/kdb/kdb_debugger.c @@ -69,7 +69,10 @@ int kdb_stub(struct kgdb_state *ks) if (atomic_read(&kgdb_setting_breakpoint)) reason = KDB_REASON_KEYBOARD; - if (in_nmi()) + if (ks->err_code == KDB_REASON_SYSTEM_NMI && ks->signo == SIGTRAP) + reason = KDB_REASON_SYSTEM_NMI; + + else if (in_nmi()) reason = KDB_REASON_NMI; for (i = 0, bp = kdb_breakpoints; i < KDB_MAXBPT; i++, bp++) { |