diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2023-06-06 12:56:20 +0300 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2023-06-06 21:07:01 +0300 |
| commit | 3f6819dd192ef4f0c568ec3e9d6d408b3fa1ad3d (patch) | |
| tree | cac1001bd35036ed5255a7b8338ae6d56d891120 /arch/x86/include/asm/x86_init.h | |
| parent | 122333d6bd229af279cdb35d1b874b71b3b9ccfb (diff) | |
| download | linux-3f6819dd192ef4f0c568ec3e9d6d408b3fa1ad3d.tar.xz | |
x86/mm: Allow guest.enc_status_change_prepare() to fail
TDX code is going to provide guest.enc_status_change_prepare() that is
able to fail. TDX will use the call to convert the GPA range from shared
to private. This operation can fail.
Add a way to return an error from the callback.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Link: https://lore.kernel.org/all/20230606095622.1939-2-kirill.shutemov%40linux.intel.com
Diffstat (limited to 'arch/x86/include/asm/x86_init.h')
| -rw-r--r-- | arch/x86/include/asm/x86_init.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/include/asm/x86_init.h b/arch/x86/include/asm/x86_init.h index 88085f369ff6..1ca9701917c5 100644 --- a/arch/x86/include/asm/x86_init.h +++ b/arch/x86/include/asm/x86_init.h @@ -150,7 +150,7 @@ struct x86_init_acpi { * @enc_cache_flush_required Returns true if a cache flush is needed before changing page encryption status */ struct x86_guest { - void (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); + bool (*enc_status_change_prepare)(unsigned long vaddr, int npages, bool enc); bool (*enc_status_change_finish)(unsigned long vaddr, int npages, bool enc); bool (*enc_tlb_flush_required)(bool enc); bool (*enc_cache_flush_required)(void); |