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[v5,11/13] riscv: cpu_relax: switch to riscv_has_extension_likely()

Message ID 20230128172856.3814-12-jszhang@kernel.org (mailing list archive)
State Accepted
Commit 95bc69a47be2d5cdccf40ba3f23c99e9a6c57597
Delegated to: Palmer Dabbelt
Headers show
Series riscv: improve boot time isa extensions handling | expand


Context Check Description
conchuod/cover_letter success Series has a cover letter
conchuod/tree_selection success Guessed tree name to be for-next
conchuod/fixes_present success Fixes tag not required for -next series
conchuod/maintainers_pattern success MAINTAINERS pattern errors before the patch: 13 and now 13
conchuod/verify_signedoff success Signed-off-by tag matches author and committer
conchuod/kdoc success Errors and warnings before: 0 this patch: 0
conchuod/module_param success Was 0 now: 0
conchuod/build_rv64_gcc_allmodconfig success Errors and warnings before: 2050 this patch: 2050
conchuod/alphanumeric_selects success Out of order selects before the patch: 57 and now 57
conchuod/build_rv32_defconfig success Build OK
conchuod/dtb_warn_rv64 success Errors and warnings before: 2 this patch: 2
conchuod/header_inline success No static functions without inline keyword in header files
conchuod/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked
conchuod/source_inline success Was 0 now: 0
conchuod/build_rv64_nommu_k210_defconfig success Build OK
conchuod/verify_fixes success No Fixes tag
conchuod/build_rv64_nommu_virt_defconfig success Build OK

Commit Message

Jisheng Zhang Jan. 28, 2023, 5:28 p.m. UTC
Switch cpu_relax() from static branch to the new helper

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
 arch/riscv/include/asm/vdso/processor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/arch/riscv/include/asm/vdso/processor.h b/arch/riscv/include/asm/vdso/processor.h
index fa70cfe507aa..edf0e25e43d1 100644
--- a/arch/riscv/include/asm/vdso/processor.h
+++ b/arch/riscv/include/asm/vdso/processor.h
@@ -10,7 +10,7 @@ 
 static inline void cpu_relax(void)
-	if (!static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_ZIHINTPAUSE])) {
+	if (!riscv_has_extension_likely(RISCV_ISA_EXT_ZIHINTPAUSE)) {
 #ifdef __riscv_muldiv
 		int dummy;
 		/* In lieu of a halt instruction, induce a long-latency stall. */