Re: [RFC PATCH V4 12/17] x86/sev: Add a #HV exception handler

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On Mon, Apr 03, 2023 at 01:44:00PM -0400, Tianyu Lan wrote:
> From: Tianyu Lan <tiala@xxxxxxxxxxxxx>
> 
> Add a #HV exception handler that uses IST stack.
> 
> Signed-off-by: Tianyu Lan <tiala@xxxxxxxxxxxxx>
> ---
> Change since RFC V2:
>        * Remove unnecessary line in the change log.
> ---
>  arch/x86/entry/entry_64.S             | 60 +++++++++++++++++++++++++++
>  arch/x86/include/asm/cpu_entry_area.h |  6 +++
>  arch/x86/include/asm/idtentry.h       | 39 ++++++++++++++++-
>  arch/x86/include/asm/page_64_types.h  |  1 +
>  arch/x86/include/asm/trapnr.h         |  1 +
>  arch/x86/include/asm/traps.h          |  1 +
>  arch/x86/kernel/cpu/common.c          |  1 +
>  arch/x86/kernel/dumpstack_64.c        |  9 +++-
>  arch/x86/kernel/idt.c                 |  1 +
>  arch/x86/kernel/sev.c                 | 53 +++++++++++++++++++++++
>  arch/x86/kernel/traps.c               | 40 ++++++++++++++++++
>  arch/x86/mm/cpu_entry_area.c          |  2 +
>  12 files changed, 211 insertions(+), 3 deletions(-)

Same comment as here:

https://lore.kernel.org/r/20230331155714.GCZCcC2pHVZgIHr8k8@fat_crate.local

-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette



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