Make the __fstate_clean() function correctly set the state of sstatus.FS in pt_regs to SR_FS_CLEAN.
Fixes: 7db91e5 ("RISC-V: Task implementation") Cc: linux-stable stable@vger.kernel.org Signed-off-by: Vincent Chen vincent.chen@sifive.com Reviewed-by: Anup Patel anup@brainfault.org Reviewed-by: Christoph Hellwig hch@lst.de
--- arch/riscv/include/asm/switch_to.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h index 0575b8a..0aa5b94 100644 --- a/arch/riscv/include/asm/switch_to.h +++ b/arch/riscv/include/asm/switch_to.h @@ -16,7 +16,7 @@ extern void __fstate_restore(struct task_struct *restore_from);
static inline void __fstate_clean(struct pt_regs *regs) { - regs->sstatus |= (regs->sstatus & ~(SR_FS)) | SR_FS_CLEAN; + regs->sstatus = (regs->sstatus & ~SR_FS) | SR_FS_CLEAN; }
static inline void fstate_off(struct task_struct *task,