Messages in this thread Patch in this message | | | From | Valentin Schneider <> | Subject | [PATCH v2 6/9] RISC-V: entry: Remove unneeded need_resched() loop | Date | Mon, 23 Sep 2019 15:36:17 +0100 |
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Since the enabling and disabling of IRQs within preempt_schedule_irq() is contained in a need_resched() loop, we don't need the outer arch code loop.
Reviewed-by: Palmer Dabbelt <palmer@sifive.com> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com> Cc: Albert Ou <aou@eecs.berkeley.edu> Cc: linux-riscv@lists.infradead.org --- arch/riscv/kernel/entry.S | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S index 74ccfd464071..d0523167d261 100644 --- a/arch/riscv/kernel/entry.S +++ b/arch/riscv/kernel/entry.S @@ -250,12 +250,11 @@ restore_all: resume_kernel: REG_L s0, TASK_TI_PREEMPT_COUNT(tp) bnez s0, restore_all -need_resched: REG_L s0, TASK_TI_FLAGS(tp) andi s0, s0, _TIF_NEED_RESCHED beqz s0, restore_all call preempt_schedule_irq - j need_resched + j restore_all #endif work_pending: -- 2.22.0
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