[v9, 06/10] riscv: fpu: drop SR_SD bit checking
Andy Chiu
andy.chiu at sifive.com
Fri Dec 29 06:36:23 PST 2023
SR_SD summarizes the dirty status of FS/VS/XS. However, the current code
structure does not fully utilize it because each extension specific code
is divided into an individual segment. So remove the SR_SD check for
now.
Signed-off-by: Andy Chiu <andy.chiu at sifive.com>
---
arch/riscv/include/asm/switch_to.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h
index f90d8e42f3c7..7efdb0584d47 100644
--- a/arch/riscv/include/asm/switch_to.h
+++ b/arch/riscv/include/asm/switch_to.h
@@ -53,8 +53,7 @@ static inline void __switch_to_fpu(struct task_struct *prev,
struct pt_regs *regs;
regs = task_pt_regs(prev);
- if (unlikely(regs->status & SR_SD))
- fstate_save(prev, regs);
+ fstate_save(prev, regs);
fstate_restore(next, task_pt_regs(next));
}
--
2.17.1
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