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| author | Andy Lutomirski <luto@kernel.org> | 2017-11-02 08:59:08 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2017-11-02 11:04:42 +0100 |
| commit | 929bacec21478a72c78e4f29f98fb799bd00105a (patch) | |
| tree | f09d10c95078aff25a3b87d820b79f68e863b43e /arch/x86/kernel/time.c | |
| parent | xen, x86/entry/64: Add xen NMI trap entry (diff) | |
| download | linux-929bacec21478a72c78e4f29f98fb799bd00105a.tar.xz linux-929bacec21478a72c78e4f29f98fb799bd00105a.zip | |
x86/entry/64: De-Xen-ify our NMI code
Xen PV is fundamentally incompatible with our fancy NMI code: it
doesn't use IST at all, and Xen entries clobber two stack slots
below the hardware frame.
Drop Xen PV support from our NMI code entirely.
Signed-off-by: Andy Lutomirski <luto@kernel.org>
Reviewed-by: Borislav Petkov <bp@suse.de>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Borislav Petkov <bpetkov@suse.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/bfbe711b5ae03f672f8848999a8eb2711efc7f98.1509609304.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/kernel/time.c')
0 files changed, 0 insertions, 0 deletions