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| author | Don Zickus <dzickus@redhat.com> | 2011-09-30 15:06:21 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-10-10 06:56:57 +0200 |
| commit | 9c48f1c629ecfa114850c03f875c6691003214de (patch) | |
| tree | 5e454da487c90fc8399ce366aa2437597c9ff5e5 /arch/x86/kernel/nmi.c | |
| parent | c9126b2ee8adb9235941cedbf558d39a9e65642d (diff) | |
| download | linux-9c48f1c629ecfa114850c03f875c6691003214de.tar.gz linux-9c48f1c629ecfa114850c03f875c6691003214de.tar.bz2 linux-9c48f1c629ecfa114850c03f875c6691003214de.zip | |
x86, nmi: Wire up NMI handlers to new routines
Just convert all the files that have an nmi handler to the new routines.
Most of it is straight forward conversion. A couple of places needed some
tweaking like kgdb which separates the debug notifier from the nmi handler
and mce removes a call to notify_die.
[Thanks to Ying for finding out the history behind that mce call
https://lkml.org/lkml/2010/5/27/114
And Boris responding that he would like to remove that call because of it
https://lkml.org/lkml/2011/9/21/163]
The things that get converted are the registeration/unregistration routines
and the nmi handler itself has its args changed along with code removal
to check which list it is on (most are on one NMI list except for kgdb
which has both an NMI routine and an NMI Unknown routine).
Signed-off-by: Don Zickus <dzickus@redhat.com>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Corey Minyard <minyard@acm.org>
Cc: Jason Wessel <jason.wessel@windriver.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Huang Ying <ying.huang@intel.com>
Cc: Corey Minyard <minyard@acm.org>
Cc: Jack Steiner <steiner@sgi.com>
Link: http://lkml.kernel.org/r/1317409584-23662-4-git-send-email-dzickus@redhat.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/kernel/nmi.c')
| -rw-r--r-- | arch/x86/kernel/nmi.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c index 327748d4f6b0..e20f5e790599 100644 --- a/arch/x86/kernel/nmi.c +++ b/arch/x86/kernel/nmi.c @@ -1,6 +1,7 @@ /* * Copyright (C) 1991, 1992 Linus Torvalds * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs + * Copyright (C) 2011 Don Zickus Red Hat, Inc. * * Pentium III FXSR, SSE support * Gareth Hughes <gareth@valinux.com>, May 2000 @@ -248,8 +249,10 @@ io_check_error(unsigned char reason, struct pt_regs *regs) static notrace __kprobes void unknown_nmi_error(unsigned char reason, struct pt_regs *regs) { - if (notify_die(DIE_NMIUNKNOWN, "nmi", regs, reason, 2, SIGINT) == - NOTIFY_STOP) + int handled; + + handled = nmi_handle(NMI_UNKNOWN, regs); + if (handled) return; #ifdef CONFIG_MCA /* @@ -274,13 +277,15 @@ unknown_nmi_error(unsigned char reason, struct pt_regs *regs) static notrace __kprobes void default_do_nmi(struct pt_regs *regs) { unsigned char reason = 0; + int handled; /* * CPU-specific NMI must be processed before non-CPU-specific * NMI, otherwise we may lose it, because the CPU-specific * NMI can not be detected/processed on other CPUs. */ - if (notify_die(DIE_NMI, "nmi", regs, 0, 2, SIGINT) == NOTIFY_STOP) + handled = nmi_handle(NMI_LOCAL, regs); + if (handled) return; /* Non-CPU-specific NMI: NMI sources can be processed on any CPU */ |