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 11:07:01 -0700 |
| commit | 3f6819dd192ef4f0c568ec3e9d6d408b3fa1ad3d (patch) | |
| tree | cac1001bd35036ed5255a7b8338ae6d56d891120 /arch/x86/kernel/x86_init.c | |
| parent | 122333d6bd229af279cdb35d1b874b71b3b9ccfb (diff) | |
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/kernel/x86_init.c')
| -rw-r--r-- | arch/x86/kernel/x86_init.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/kernel/x86_init.c b/arch/x86/kernel/x86_init.c index d82f4fa2f1bf..f230d4d7d8eb 100644 --- a/arch/x86/kernel/x86_init.c +++ b/arch/x86/kernel/x86_init.c @@ -130,7 +130,7 @@ struct x86_cpuinit_ops x86_cpuinit = { static void default_nmi_init(void) { }; -static void enc_status_change_prepare_noop(unsigned long vaddr, int npages, bool enc) { } +static bool enc_status_change_prepare_noop(unsigned long vaddr, int npages, bool enc) { return true; } static bool enc_status_change_finish_noop(unsigned long vaddr, int npages, bool enc) { return false; } static bool enc_tlb_flush_required_noop(bool enc) { return false; } static bool enc_cache_flush_required_noop(void) { return false; } |