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Date:   Fri, 6 May 2022 10:31:40 -0700
From:   Josh Poimboeuf <jpoimboe@kernel.org>
To:     Mark Rutland <mark.rutland@arm.com>
Cc:     Peter Zijlstra <peterz@infradead.org>,
        Chen Zhongjin <chenzhongjin@huawei.com>,
        linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
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        jpoimboe@redhat.com, ycote@redhat.com, herbert@gondor.apana.org.au,
        davem@davemloft.net, ardb@kernel.org, maz@kernel.org,
        tglx@linutronix.de, luc.vanoostenryck@gmail.com
Subject: Re: [RFC PATCH v4 22/37] arm64: kernel: Skip validation of kuser32.o
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On Thu, May 05, 2022 at 11:56:45AM +0100, Mark Rutland wrote:
> The objects under arch/arm64/kernel/{vdso,vdso32}/ are all userspace objects,
> and from userspace's PoV the existing secrtions within those objects are
> correct, so I don't think those should change.
> 
> How does x86 deal with its vdso objects?

On x86, we just use OBJECT_FILES_NON_STANDARD (like the up-thread patch)
to tell objtool to ignore all the vdso objects.

That should be fine for vdso, since it doesn't actually end up as text
in vmlinux.

-- 
Josh