Messages in this thread | | | Date | Mon, 2 May 2022 22:19:04 +0800 | From | kernel test robot <> | Subject | [tip:x86/sev 55/55] arch/x86/kernel/sev.c:605:17: sparse: sparse: incorrect type in argument 1 (different address spaces) |
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git x86/sev head: c2106a231c2ba36ff9af50cdf2867b9a5f8150a6 commit: c2106a231c2ba36ff9af50cdf2867b9a5f8150a6 [55/55] x86/sev: Get the AP jump table address from secrets page config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220502/202205022233.XgNDR7WR-lkp@intel.com/config) compiler: gcc-11 (Debian 11.2.0-20) 11.2.0 reproduce: # apt-get install sparse # sparse version: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=c2106a231c2ba36ff9af50cdf2867b9a5f8150a6 git remote add tip https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git git fetch --no-tags tip x86/sev git checkout c2106a231c2ba36ff9af50cdf2867b9a5f8150a6 # save the config file mkdir build_dir && cp config build_dir/.config 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@intel.com>
sparse warnings: (new ones prefixed by >>) >> arch/x86/kernel/sev.c:605:17: sparse: sparse: incorrect type in argument 1 (different address spaces) @@ expected void volatile [noderef] __iomem *addr @@ got struct snp_secrets_page_layout *[assigned] layout @@ arch/x86/kernel/sev.c:605:17: sparse: expected void volatile [noderef] __iomem *addr arch/x86/kernel/sev.c:605:17: sparse: got struct snp_secrets_page_layout *[assigned] layout
vim +605 arch/x86/kernel/sev.c
588 589 static u64 __init get_snp_jump_table_addr(void) 590 { 591 struct snp_secrets_page_layout *layout; 592 u64 pa, addr; 593 594 pa = get_secrets_page(); 595 if (!pa) 596 return 0; 597 598 layout = (__force void *)ioremap_encrypted(pa, PAGE_SIZE); 599 if (!layout) { 600 pr_err("Unable to locate AP jump table address: failed to map the SNP secrets page.\n"); 601 return 0; 602 } 603 604 addr = layout->os_area.ap_jump_table_pa; > 605 iounmap(layout); 606 607 return addr; 608 } 609
-- 0-DAY CI Kernel Test Service https://01.org/lkp
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