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From:   Jisheng Zhang <jszhang@kernel.org>
To:     Paul Walmsley <paul.walmsley@sifive.com>,
        Palmer Dabbelt <palmer@dabbelt.com>,
        Albert Ou <aou@eecs.berkeley.edu>,
        Anup Patel <anup@brainfault.org>,
        Atish Patra <atishp@atishpatra.org>,
        Heiko Stuebner <heiko@sntech.de>
Cc:     linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org,
        kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,
        Andrew Jones <ajones@ventanamicro.com>,
        Guo Ren <guoren@kernel.org>
Subject: [PATCH v3 11/13] riscv: cpu_relax: switch to riscv_has_extension_likely()
Date:   Thu, 12 Jan 2023 01:10:25 +0800
Message-Id: <20230111171027.2392-12-jszhang@kernel.org>
In-Reply-To: <20230111171027.2392-1-jszhang@kernel.org>
References: <20230111171027.2392-1-jszhang@kernel.org>
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Switch cpu_relax() from static branch to the new helper
riscv_has_extension_likely()

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>
---
 arch/riscv/include/asm/vdso/processor.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

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. */
-- 
2.38.1