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SubjectRe: [PATCH 18/43] x86/entry/64: Move the IST stacks into cpu_entry_area
On Fri, Nov 24, 2017 at 06:23:46PM +0100, Ingo Molnar wrote:
> From: Andy Lutomirski <luto@kernel.org>
>
> The IST stacks are needed when an IST exception occurs and are
> accessed before any kernel code at all runs. Move them into
> cpu_entry_area.
>
> Signed-off-by: Andy Lutomirski <luto@kernel.org>
> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
> Cc: Borislav Petkov <bpetkov@suse.de>
> Cc: Brian Gerst <brgerst@gmail.com>
> Cc: Dave Hansen <dave.hansen@intel.com>
> Cc: Josh Poimboeuf <jpoimboe@redhat.com>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Peter Zijlstra <peterz@infradead.org>
> Link: https://lkml.kernel.org/r/0ffddccdc0ce1953f950a553142662cf68258fb7.1511497875.git.luto@kernel.org
> Signed-off-by: Ingo Molnar <mingo@kernel.org>
> ---
> arch/x86/include/asm/fixmap.h | 10 ++++++++++
> arch/x86/kernel/cpu/common.c | 40 +++++++++++++++++++++++++---------------
> 2 files changed, 35 insertions(+), 15 deletions(-)

Reviewed-by: Borislav Petkov <bp@suse.de>

--
Regards/Gruss,
Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

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