From: rabin@rab.in (Rabin Vincent)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2] recordmcount: arm: Implement make_nop
Date: Tue, 2 Feb 2016 18:25:31 +0100 [thread overview]
Message-ID: <20160202172531.GA9044@debian> (raw)
In-Reply-To: <1454371583-9064-1-git-send-email-sboyd@codeaurora.org>
On Mon, Feb 01, 2016 at 04:06:23PM -0800, Stephen Boyd wrote:
> In similar spirit to x86 and arm64 support, add a make_nop_arm()
> to replace calls to mcount with nops in sections that aren't
> traced.
>
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: Rabin Vincent <rabin@rab.in>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
>
> Changes from v1:
> * Replace with nops instead of pops
> * Check for BE or LE kernel with elf headers
> * Drop mcount style check because now we look at the previous
> instruction to determine if it's a push (__gnu_mcount_nc) or not (mcount).
Acked-by: Rabin Vincent <rabin@rab.in>
WARNING: multiple messages have this Message-ID (diff)
From: Rabin Vincent <rabin@rab.in>
To: Stephen Boyd <sboyd@codeaurora.org>
Cc: Steven Rostedt <rostedt@goodmis.org>,
linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Russell King <linux@arm.linux.org.uk>
Subject: Re: [PATCH v2] recordmcount: arm: Implement make_nop
Date: Tue, 2 Feb 2016 18:25:31 +0100 [thread overview]
Message-ID: <20160202172531.GA9044@debian> (raw)
In-Reply-To: <1454371583-9064-1-git-send-email-sboyd@codeaurora.org>
On Mon, Feb 01, 2016 at 04:06:23PM -0800, Stephen Boyd wrote:
> In similar spirit to x86 and arm64 support, add a make_nop_arm()
> to replace calls to mcount with nops in sections that aren't
> traced.
>
> Cc: Russell King <linux@arm.linux.org.uk>
> Cc: Rabin Vincent <rabin@rab.in>
> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
> ---
>
> Changes from v1:
> * Replace with nops instead of pops
> * Check for BE or LE kernel with elf headers
> * Drop mcount style check because now we look at the previous
> instruction to determine if it's a push (__gnu_mcount_nc) or not (mcount).
Acked-by: Rabin Vincent <rabin@rab.in>
next prev parent reply other threads:[~2016-02-02 17:25 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-02-02 0:06 [PATCH v2] recordmcount: arm: Implement make_nop Stephen Boyd
2016-02-02 0:06 ` Stephen Boyd
2016-02-02 17:25 ` Rabin Vincent [this message]
2016-02-02 17:25 ` Rabin Vincent
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