Messages in this thread | | | Date | Tue, 17 Oct 2023 10:58:57 +0800 | From | kernel test robot <> | Subject | arch/x86/kernel/cpu/bugs.c:64:9: sparse: sparse: incorrect type in initializer (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 58720809f52779dc0f08e53e54b014209d13eebb commit: 481461f5109919babbb393d6f68002936b8e2493 linux/export.h: make <linux/export.h> independent of CONFIG_MODULES date: 3 months ago config: x86_64-allnoconfig (https://download.01.org/0day-ci/archive/20231017/202310171043.kUlpXIoN-lkp@intel.com/config) compiler: gcc-12 (Debian 12.2.0-14) 12.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231017/202310171043.kUlpXIoN-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot <lkp@intel.com> | Closes: https://lore.kernel.org/oe-kbuild-all/202310171043.kUlpXIoN-lkp@intel.com/
sparse warnings: (new ones prefixed by >>) >> arch/x86/kernel/cpu/bugs.c:64:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/x86/kernel/cpu/bugs.c:64:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/kernel/cpu/bugs.c:64:9: sparse: got unsigned long long * arch/x86/kernel/cpu/bugs.c:74:13: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/x86/kernel/cpu/bugs.c:74:13: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/kernel/cpu/bugs.c:74:13: sparse: got unsigned long long * arch/x86/kernel/cpu/bugs.c:77:9: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/x86/kernel/cpu/bugs.c:77:9: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/kernel/cpu/bugs.c:77:9: sparse: got unsigned long long * arch/x86/kernel/cpu/bugs.c:89:16: sparse: sparse: incorrect type in initializer (different address spaces) @@ expected void const [noderef] __percpu *__vpp_verify @@ got unsigned long long * @@ arch/x86/kernel/cpu/bugs.c:89:16: sparse: expected void const [noderef] __percpu *__vpp_verify arch/x86/kernel/cpu/bugs.c:89:16: sparse: got unsigned long long *
vim +64 arch/x86/kernel/cpu/bugs.c
1b86883ccb8d5d Konrad Rzeszutek Wilk 2018-04-25 60 66065157420c5b Pawan Gupta 2022-11-30 61 /* Update SPEC_CTRL MSR and its cached copy unconditionally */ 66065157420c5b Pawan Gupta 2022-11-30 62 static void update_spec_ctrl(u64 val) 66065157420c5b Pawan Gupta 2022-11-30 63 { 66065157420c5b Pawan Gupta 2022-11-30 @64 this_cpu_write(x86_spec_ctrl_current, val); 66065157420c5b Pawan Gupta 2022-11-30 65 wrmsrl(MSR_IA32_SPEC_CTRL, val); 66065157420c5b Pawan Gupta 2022-11-30 66 } 66065157420c5b Pawan Gupta 2022-11-30 67
:::::: The code at line 64 was first introduced by commit :::::: 66065157420c5b9b3f078f43d313c153e1ff7f83 x86/bugs: Make sure MSR_SPEC_CTRL is updated properly upon resume from S3
:::::: TO: Pawan Gupta <pawan.kumar.gupta@linux.intel.com> :::::: CC: Linus Torvalds <torvalds@linux-foundation.org>
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