Re: [PATCH 5/7] arm64: keep .altinstructions and .altinstr_replacement

From: Nicholas Piggin <npiggin@gmail.com>
To: Nick Desaulniers <ndesaulniers@google.com>
Cc: Sami Tolvanen <samitolvanen@google.com>,
	Alex Matveev <alxmtvv@gmail.com>, Andi Kleen <ak@linux.intel.com>,
	Ard Biesheuvel <ard.biesheuvel@linaro.org>,
	Greg Hackmann <ghackmann@google.com>,
	Kees Cook <keescook@chromium.org>,
	linux-arm-kernel@lists.infradead.org,
	Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
	LKML <linux-kernel@vger.kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Masahiro Yamada <yamada.masahiro@socionext.com>,
	Maxim Kuvyrkov <maxim.kuvyrkov@linaro.org>,
	Michal Marek <michal.lkml@markovi.net>,
	Yury Norov <ynorov@caviumnetworks.com>,
	Matthias Kaehlcke <mka@chromium.org>
Subject: Re: [PATCH 5/7] arm64: keep .altinstructions and .altinstr_replacement
Date: Fri, 1 Dec 2017 10:36:21 +1000	[thread overview]
Message-ID: <20171201103621.366e797d@roar.ozlabs.ibm.com> (raw)
In-Reply-To: <CAKwvOdn9TEO3G9+7DsQ+mR-nf=50Moydfvft=h_RketDZ2iODA@mail.gmail.com>

On Thu, 30 Nov 2017 09:00:35 -0800
Nick Desaulniers <ndesaulniers@google.com> wrote:

> On Wed, Nov 29, 2017 at 5:58 PM, Nicholas Piggin <npiggin@gmail.com> wrote:
> > (Comparing `readelf -S` before/after is a way to spot bugs.)  
> 
> Do you have a script that can be used to diff 2 `readelf -S`, look for
> missing references, and report an error? Might be easier to rerun that
> every so often and see what's missing.

I don't, I was just doing it by hand.

Thanks,
Nick