lkml.org 
[lkml]   [2022]   [Aug]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[RESEND PATCH] loongarch: irq: Move to generic_handle_arch_irq
Date
From: Guo Ren <guoren@linux.alibaba.com>

No reason to keep handle_loongarch_irq, and move to the generic one. The
patch also fixup HAVE_CONTEXT_TRACKING_USER feature because
handle_loongarch_irq missed ct_irq_enter/exit.

Fixes: 0603839b18f4 ("LoongArch: Add exception/interrupt handling")
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
---
arch/loongarch/kernel/traps.c | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)

diff --git a/arch/loongarch/kernel/traps.c b/arch/loongarch/kernel/traps.c
index aa1c95aaf595..06211640ba1f 100644
--- a/arch/loongarch/kernel/traps.c
+++ b/arch/loongarch/kernel/traps.c
@@ -588,17 +588,6 @@ asmlinkage void cache_parity_error(void)
panic("Can't handle the cache error!");
}

-asmlinkage void noinstr handle_loongarch_irq(struct pt_regs *regs)
-{
- struct pt_regs *old_regs;
-
- irq_enter_rcu();
- old_regs = set_irq_regs(regs);
- handle_arch_irq(regs);
- set_irq_regs(old_regs);
- irq_exit_rcu();
-}
-
asmlinkage void noinstr do_vint(struct pt_regs *regs, unsigned long sp)
{
register int cpu;
@@ -608,7 +597,7 @@ asmlinkage void noinstr do_vint(struct pt_regs *regs, unsigned long sp)
cpu = smp_processor_id();

if (on_irq_stack(cpu, sp))
- handle_loongarch_irq(regs);
+ generic_handle_arch_irq(regs);
else {
stack = per_cpu(irq_stack, cpu) + IRQ_STACK_START;

@@ -619,7 +608,7 @@ asmlinkage void noinstr do_vint(struct pt_regs *regs, unsigned long sp)
"move $s0, $sp \n" /* Preserve sp */
"move $sp, %[stk] \n" /* Switch stack */
"move $a0, %[regs] \n"
- "bl handle_loongarch_irq \n"
+ "bl generic_handle_arch_irq \n"
"move $sp, $s0 \n" /* Restore sp */
: /* No outputs */
: [stk] "r" (stack), [regs] "r" (regs)
--
2.36.1
\
 
 \ /
  Last update: 2022-08-13 11:03    [W:0.037 / U:2.480 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site