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Message-Id: <20221204174632.3677-8-jszhang@kernel.org>
Date: Mon, 5 Dec 2022 01:46:26 +0800
From: Jisheng Zhang <jszhang@...nel.org>
To: Palmer Dabbelt <palmer@...belt.com>,
Paul Walmsley <paul.walmsley@...ive.com>,
Albert Ou <aou@...s.berkeley.edu>,
Anup Patel <anup@...infault.org>,
Atish Patra <atishp@...shpatra.org>,
Heiko Stuebner <heiko@...ech.de>,
Andrew Jones <ajones@...tanamicro.com>
Cc: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
kvm@...r.kernel.org, kvm-riscv@...ts.infradead.org
Subject: [PATCH v2 07/13] riscv: fpu: switch has_fpu() to riscv_has_extension_likely()
Switch has_fpu() from statich branch to the new helper
riscv_has_extension_likely().
Signed-off-by: Jisheng Zhang <jszhang@...nel.org>
Reviewed-by: Andrew Jones <ajones@...tanamicro.com>
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
---
arch/riscv/include/asm/switch_to.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h
index 11463489fec6..60f8ca01d36e 100644
--- a/arch/riscv/include/asm/switch_to.h
+++ b/arch/riscv/include/asm/switch_to.h
@@ -59,7 +59,8 @@ static inline void __switch_to_aux(struct task_struct *prev,
static __always_inline bool has_fpu(void)
{
- return static_branch_likely(&riscv_isa_ext_keys[RISCV_ISA_EXT_KEY_FPU]);
+ return riscv_has_extension_likely(RISCV_ISA_EXT_f) ||
+ riscv_has_extension_likely(RISCV_ISA_EXT_d);
}
#else
static __always_inline bool has_fpu(void) { return false; }
--
2.37.2
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