linux-kernel - Re: [patch 05/15] x86/entry: Provide IDTEnTRY

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Message-ID: <49a8589f-de01-d08a-69f0-b98106e8b715@kernel.org>
Date:   Tue, 25 Feb 2020 22:10:37 -0800
From:   Andy Lutomirski <luto@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        LKML <linux-kernel@...r.kernel.org>
Cc:     x86@...nel.org, Steven Rostedt <rostedt@...dmis.org>,
        Brian Gerst <brgerst@...il.com>,
        Juergen Gross <jgross@...e.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [patch 05/15] x86/entry: Provide IDTEnTRY_SYSVEC

On 2/25/20 2:47 PM, Thomas Gleixner wrote:
> Provide a IDTENTRY variant for system vectors to consolidate the differnt
> mechanisms to emit the ASM stubs for 32 an 64 bit.

$SUBJECT has an obvious typo.

> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
> ---
>  arch/x86/entry/entry_32.S       |    4 ++++
>  arch/x86/entry/entry_64.S       |   19 +++++++++++++++----
>  arch/x86/include/asm/idtentry.h |   25 +++++++++++++++++++++++++
>  3 files changed, 44 insertions(+), 4 deletions(-)
> 
> --- a/arch/x86/entry/entry_32.S
> +++ b/arch/x86/entry/entry_32.S
> @@ -1261,6 +1261,10 @@ SYM_CODE_START_LOCAL(asm_\cfunc)
>  SYM_CODE_END(asm_\cfunc)
>  .endm
>  
> +.macro idtentry_sysvec vector cfunc
> +	idtentry \vector asm_\cfunc \cfunc has_error_code=0
> +.endm

irq_stack?

--Andy