linux-kernel - [joro:sev-es-kexec 9/12] arch/x86/kernel/sev.c:698:17: sparse: sparse: symbol 'sev_jumptable_ap_park' was not declared. Should it be static?

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Message-ID: <202107081415.O6XWbobR-lkp@intel.com>
Date:   Thu, 8 Jul 2021 14:15:54 +0800
From:   kernel test robot <lkp@...el.com>
To:     Joerg Roedel <jroedel@...e.de>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [joro:sev-es-kexec 9/12] arch/x86/kernel/sev.c:698:17: sparse:
 sparse: symbol 'sev_jumptable_ap_park' was not declared. Should it be
 static?

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git sev-es-kexec
head:   3467dc3cdbe65c619cd9b5c8db47da63b0655300
commit: f5fa86f9ca509214e22902fd1865e813d0d856b3 [9/12] x86/sev: Use AP Jump Table blob to stop CPU
config: x86_64-randconfig-s021-20210702 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git/commit/?id=f5fa86f9ca509214e22902fd1865e813d0d856b3
        git remote add joro https://git.kernel.org/pub/scm/linux/kernel/git/joro/linux.git
        git fetch --no-tags joro sev-es-kexec
        git checkout f5fa86f9ca509214e22902fd1865e813d0d856b3
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/kernel/

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


sparse warnings: (new ones prefixed by >>)
>> arch/x86/kernel/sev.c:698:17: sparse: sparse: symbol 'sev_jumptable_ap_park' was not declared. Should it be static?
   arch/x86/kernel/sev.c:888:41: sparse: sparse: incorrect type in argument 1 (different address spaces) @@     expected void *base @@     got unsigned short [noderef] [usertype] __iomem *[assigned] jump_table @@
   arch/x86/kernel/sev.c:888:41: sparse:     expected void *base
   arch/x86/kernel/sev.c:888:41: sparse:     got unsigned short [noderef] [usertype] __iomem *[assigned] jump_table
   arch/x86/kernel/sev.c:881:32: sparse: sparse: dereference of noderef expression
   arch/x86/kernel/sev.c:882:32: sparse: sparse: dereference of noderef expression

Please review and possibly fold the followup patch.

---
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" (41421 bytes)