Re: [PATCH] x86/coco, x86/sev: Use cpu_feature_enabled() to detect SEV guest flavor

From: kernel test robot
Date: Tue Dec 05 2023 - 14:25:01 EST


Hi Kirill,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20231205]
[also build test ERROR on v6.7-rc4]
[cannot apply to tip/x86/core tip/x86/mm kvm/queue linus/master kvm/linux-next v6.7-rc4 v6.7-rc3 v6.7-rc2]
[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#_base_tree_information]

url: https://github.com/intel-lab-lkp/linux/commits/Kirill-A-Shutemov/x86-coco-x86-sev-Use-cpu_feature_enabled-to-detect-SEV-guest-flavor/20231205-223950
base: next-20231205
patch link: https://lore.kernel.org/r/20231205143738.2875-1-kirill.shutemov%40linux.intel.com
patch subject: [PATCH] x86/coco, x86/sev: Use cpu_feature_enabled() to detect SEV guest flavor
config: i386-randconfig-011-20231205 (https://download.01.org/0day-ci/archive/20231206/202312060344.u4FP0DKh-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231206/202312060344.u4FP0DKh-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202312060344.u4FP0DKh-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

>> arch/x86/realmode/init.c:73:7: error: no member named 'flags' in 'struct trampoline_header'
th->flags |= TH_FLAGS_SME_ACTIVE;
~~ ^
>> arch/x86/realmode/init.c:80:21: error: use of undeclared identifier 'secondary_startup_64_no_verify'
th->start = (u64) secondary_startup_64_no_verify;
^
2 errors generated.


vim +73 arch/x86/realmode/init.c

4f7b92263ad68c Yinghai Lu 2013-01-24 69
75d359ec4141b0 Michael Roth 2022-04-22 70 static void __init sme_sev_setup_real_mode(struct trampoline_header *th)
8940ac9ced8bc1 Tom Lendacky 2020-09-07 71 {
32cb4d02fb02ca Tom Lendacky 2021-09-08 72 if (cc_platform_has(CC_ATTR_HOST_MEM_ENCRYPT))
8940ac9ced8bc1 Tom Lendacky 2020-09-07 @73 th->flags |= TH_FLAGS_SME_ACTIVE;
8940ac9ced8bc1 Tom Lendacky 2020-09-07 74
653ce82f92271f Kirill A. Shutemov 2023-12-05 75 if (cpu_feature_enabled(X86_FEATURE_SEV_ES_GUEST)) {
3ecacdbd23956a Joerg Roedel 2020-09-07 76 /*
3ecacdbd23956a Joerg Roedel 2020-09-07 77 * Skip the call to verify_cpu() in secondary_startup_64 as it
3ecacdbd23956a Joerg Roedel 2020-09-07 78 * will cause #VC exceptions when the AP can't handle them yet.
3ecacdbd23956a Joerg Roedel 2020-09-07 79 */
3ecacdbd23956a Joerg Roedel 2020-09-07 @80 th->start = (u64) secondary_startup_64_no_verify;
3ecacdbd23956a Joerg Roedel 2020-09-07 81
8940ac9ced8bc1 Tom Lendacky 2020-09-07 82 if (sev_es_setup_ap_jump_table(real_mode_header))
8940ac9ced8bc1 Tom Lendacky 2020-09-07 83 panic("Failed to get/update SEV-ES AP Jump Table");
8940ac9ced8bc1 Tom Lendacky 2020-09-07 84 }
8940ac9ced8bc1 Tom Lendacky 2020-09-07 85 }
8940ac9ced8bc1 Tom Lendacky 2020-09-07 86

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