Messages in this thread | | | Date | Tue, 28 Jul 2015 11:41:53 +0200 | From | Borislav Petkov <> | Subject | Re: [PATCH v2 1/3] x86/entry/64: Refactor IRQ stacks and make them NMI-safe |
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On Fri, Jul 24, 2015 at 10:57:04PM -0700, Andy Lutomirski wrote: > This will allow IRQ stacks to nest inside NMIs or similar entries > that can happen during IRQ stack setup or teardown. > > The Xen code here has a confusing comment. > > The new macros won't work correctly if they're invoked with IRQs on. > Add a check under CONFIG_DEBUG_ENTRY to detect that. > > Signed-off-by: Andy Lutomirski <luto@kernel.org> > --- > arch/x86/Kconfig.debug | 2 - > arch/x86/entry/entry_64.S | 89 +++++++++++++++++++++++++++++--------------- > arch/x86/kernel/process_64.c | 4 ++ > 3 files changed, 63 insertions(+), 32 deletions(-)
Reviewed-by: Borislav Petkov <bp@suse.de>
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply. --
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