diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-06-14 12:58:52 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2024-06-17 17:45:53 +0200 |
| commit | 99c5c4c60e0db1d2ff58b8a61c93b6851146469f (patch) | |
| tree | dc932b348e2e477be0c4866649e1a1572245325b /arch/x86/include/asm/x86_init.h | |
| parent | de60613173dfd75a10f6aa8e001bbcafa242e623 (diff) | |
x86/mm: Make x86_platform.guest.enc_status_change_*() return an error
TDX is going to have more than one reason to fail enc_status_change_prepare().
Change the callback to return errno instead of assuming -EIO. Change
enc_status_change_finish() too to keep the interface symmetric.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Dave Hansen <dave.hansen@intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Reviewed-by: Michael Kelley <mhklinux@outlook.com>
Tested-by: Tao Liu <ltao@redhat.com>
Link: https://lore.kernel.org/r/20240614095904.1345461-8-kirill.shutemov@linux.intel.com
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index 6149eabe200f..28ac3cb9b987 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -151,8 +151,8 @@ struct x86_init_acpi { * @enc_cache_flush_required Returns true if a cache flush is needed before changing page encryption status */ struct x86_guest { - bool (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); - bool (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc); + int (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); + int (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc); bool (*enc_tlb_flush_required)(bool enc); bool (*enc_cache_flush_required)(void); }; |