linux-kernel - Re: [PATCH] recordmcount: arm64: replace the ignored mcount call into nop

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Message-ID: <20151102182836.GM29657@arm.com>
Date:	Mon, 2 Nov 2015 18:28:37 +0000
From:	Will Deacon <will.deacon@....com>
To:	Steven Rostedt <rostedt@...dmis.org>
Cc:	libin <huawei.libin@...wei.com>, kbuild test robot <lkp@...el.com>,
	kbuild-all@...org, catalin.marinas@....com,
	takahiro.akashi@...aro.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, guohanjun@...wei.com,
	dingtianhong@...wei.com, zhouchengming1@...wei.com
Subject: Re: [PATCH] recordmcount: arm64: replace the ignored mcount call
 into nop

On Mon, Nov 02, 2015 at 01:26:08PM -0500, Steven Rostedt wrote:
> On Fri, 30 Oct 2015 14:00:28 +0800
> libin <huawei.libin@...wei.com> wrote:
> 
> > It is a bug in nop_mcount:
> > ...
> > if (mcountsym == Elf_r_sym(relp) && !is_fake_mcount(relp)) {
> >         if (make_nop) {
> >                 ret = make_nop((void *)ehdr, shdr->sh_offset + relp->r_offset);
> >         }
> > ...
> > 
> > shdr->sh_offset and welp->r_offset should handle endianness properly as _w(shdr->sh_offset)/
> > _w(relp->r_offset). I will post a patchset including this patch soon.
> > 
> 
> Has this been fixed yet?

  http://lkml.kernel.org/r/1446193864-24593-1-git-send-email-huawei.libin@huawei.com

I see you're playing "chase the patches" at the moment ;)

Will
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