linux-kernel - Re: [PATCH v2 3/7] x86/entry/64: Simplify idtentry a little

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Message-ID: <20190710162335.7cf0df70@gandalf.local.home>
Date:   Wed, 10 Jul 2019 16:23:35 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     tglx@...utronix.de, bp@...en8.de, mingo@...nel.org,
        luto@...nel.org, torvalds@...ux-foundation.org, hpa@...or.com,
        dave.hansen@...ux.intel.com, jgross@...e.com,
        linux-kernel@...r.kernel.org, zhe.he@...driver.com,
        joel@...lfernandes.org, devel@...ukata.com
Subject: Re: [PATCH v2 3/7] x86/entry/64: Simplify idtentry a little

On Thu, 04 Jul 2019 21:55:58 +0200
Peter Zijlstra <peterz@...radead.org> wrote:

> There's a bunch of duplication in idtentry, namely the
> .Lfrom_usermode_switch_stack is a paranoid=0 copy of the normal flow.
> 
> Make this explicit by creating a idtentry_part helper macro.
> 
> Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>

Reviewed-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve