linux-kernel - Re: [PATCH v2 11/12] x86/paravirt: switch functions with custom code to ALTERNATIVE

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Date:   Fri, 20 Nov 2020 23:46:41 +0800
From:   kernel test robot <lkp@...el.com>
To:     Juergen Gross <jgross@...e.com>, xen-devel@...ts.xenproject.org,
        x86@...nel.org, virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org
Cc:     kbuild-all@...ts.01.org, peterz@...radead.org, luto@...nel.org,
        Juergen Gross <jgross@...e.com>, Deep Shah <sdeep@...are.com>,
        "VMware, Inc." <pv-drivers@...are.com>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH v2 11/12] x86/paravirt: switch functions with custom code
 to ALTERNATIVE

Hi Juergen,

I love your patch! Perhaps something to improve:

[auto build test WARNING on v5.10-rc4]
[also build test WARNING on next-20201120]
[cannot apply to tip/x86/core xen-tip/linux-next tip/x86/asm]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Juergen-Gross/x86-major-paravirt-cleanup/20201120-194934
base:    09162bc32c880a791c6c0668ce0745cf7958f576
config: x86_64-rhel-7.6-kselftests (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce (this is a W=1 build):
        # https://github.com/0day-ci/linux/commit/fd8d46a7a2c51313ee14c43af60ff337279384ef
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Juergen-Gross/x86-major-paravirt-cleanup/20201120-194934
        git checkout fd8d46a7a2c51313ee14c43af60ff337279384ef
        # save the attached .config to linux build tree
        make W=1 ARCH=x86_64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All warnings (new ones prefixed by >>):

>> drivers/misc/lkdtm/bugs.o: warning: objtool: .altinstr_replacement+0x0: alternative modifies stack

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org

Download attachment ".config.gz" of type "application/gzip" (50016 bytes)