Commit 13bdfb53 authored by Uros Bizjak's avatar Uros Bizjak Committed by Borislav Petkov (AMD)
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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: default avatarUros Bizjak <ubizjak@gmail.com>
Signed-off-by: default avatarBorislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: default avatarJarkko Sakkinen <jarkko@kernel.org>
Link: https://lore.kernel.org/20250616085716.158942-1-ubizjak@gmail.com
parent 045f6a6e

arch/x86/kernel/cpu/sgx/encls.h

+3 −3
Original line number Diff line number Diff line
@@ -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)				\