diff options
| author | Uros Bizjak <ubizjak@gmail.com> | 2025-06-16 10:56:30 +0200 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2025-08-25 17:28:43 +0200 |
| commit | 13bdfb53aa04eeb8022af87288c5bc0a5d13a834 (patch) | |
| tree | 34debae3bfa5496be28fea3fcfa11c845d1b99cd | |
| parent | 045f6a6e4dbaa0ecdee43bc2362676ff62ba5456 (diff) | |
x86/sgx: Use ENCLS mnemonic in <kernel/cpu/sgx/encls.h>
Current minimum required version of binutils is 2.30, which supports ENCLS
instruction mnemonic.
Replace the byte-wise specification of ENCLS with this proper mnemonic.
No functional change intended.
Signed-off-by: Uros Bizjak <ubizjak@gmail.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/20250616085716.158942-1-ubizjak@gmail.com
| -rw-r--r-- | arch/x86/kernel/cpu/sgx/encls.h | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/sgx/encls.h b/arch/x86/kernel/cpu/sgx/encls.h index 99004b02e2ed..42a088a337c5 100644 --- a/arch/x86/kernel/cpu/sgx/encls.h +++ b/arch/x86/kernel/cpu/sgx/encls.h @@ -68,7 +68,7 @@ static inline bool encls_failed(int ret) ({ \ int ret; \ asm volatile( \ - "1: .byte 0x0f, 0x01, 0xcf;\n\t" \ + "1: encls\n" \ "2:\n" \ _ASM_EXTABLE_TYPE(1b, 2b, EX_TYPE_FAULT_SGX) \ : "=a"(ret) \ @@ -111,8 +111,8 @@ static inline bool encls_failed(int ret) ({ \ int ret; \ asm volatile( \ - "1: .byte 0x0f, 0x01, 0xcf;\n\t" \ - " xor %%eax,%%eax;\n" \ + "1: encls\n\t" \ + "xor %%eax,%%eax\n" \ "2:\n" \ _ASM_EXTABLE_TYPE(1b, 2b, EX_TYPE_FAULT_SGX) \ : "=a"(ret), "=b"(rbx_out) \ |