linux-kernel - Re: [linux-next:master 3857/7963] arch/x86/crypto/sm4-aesni-avx-asm_64.o: warning: objtool: sm4_aesni_avx_crypt8()+0x8: sibling call from callable instruction with modified stack frame

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Date:   Tue, 21 Sep 2021 08:56:45 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     Arnd Bergmann <arnd@...nel.org>, kernel test robot <lkp@...el.com>,
        kbuild-all@...ts.01.org,
        clang-built-linux <clang-built-linux@...glegroups.com>,
        Peter Zijlstra <peterz@...radead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Tianjia Zhang <tianjia.zhang@...ux.alibaba.com>,
        Linux Crypto Mailing List <linux-crypto@...r.kernel.org>
Subject: Re: [linux-next:master 3857/7963]
 arch/x86/crypto/sm4-aesni-avx-asm_64.o: warning: objtool:
 sm4_aesni_avx_crypt8()+0x8: sibling call from callable instruction with
 modified stack frame

On Mon, Sep 20, 2021 at 10:56:56AM -0700, Josh Poimboeuf wrote:
>
> Indeed!  This looks completely broken with CONFIG_FRAME_POINTER.
> 
> Needs something like:

Please send a copy to linux-crypto.

Thanks,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt