diff options
| author | Vincent Chen <[email protected]> | 2019-08-14 16:23:53 +0800 |
|---|---|---|
| committer | Paul Walmsley <[email protected]> | 2019-08-14 13:20:46 -0700 |
| commit | 69703eb9a8ae28a46cd5bce7d69ceeef6273a104 (patch) | |
| tree | 6ac4d72a059e1d5eec05d0f2d0a62844d5ff0fbb | |
| parent | 8ac71d7e46b94a4fc8ffc6f1c88004cdf24459e8 (diff) | |
riscv: Make __fstate_clean() work correctly.
Make the __fstate_clean() function correctly set the
state of sstatus.FS in pt_regs to SR_FS_CLEAN.
Fixes: 7db91e57a0acd ("RISC-V: Task implementation")
Cc: linux-stable <[email protected]>
Signed-off-by: Vincent Chen <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
[[email protected]: expanded "Fixes" commit ID]
Signed-off-by: Paul Walmsley <[email protected]>
| -rw-r--r-- | arch/riscv/include/asm/switch_to.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/include/asm/switch_to.h b/arch/riscv/include/asm/switch_to.h index 949d9cd91dec..f0227bdce0f0 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, |