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parisc: Use irq_enter_rcu() to fix warning at kernel/context_tracking.c:367

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[ Upstream commit 73cb4a2d8d ]

Use irq*_rcu() functions to fix this kernel warning:

 WARNING: CPU: 0 PID: 0 at kernel/context_tracking.c:367 ct_irq_enter+0xa0/0xd0
 Modules linked in:
 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.7.0-rc3-64bit+ #1037
 Hardware name: 9000/785/C3700

 IASQ: 0000000000000000 0000000000000000 IAOQ: 00000000412cd758 00000000412cd75c
  IIR: 03ffe01f    ISR: 0000000000000000  IOR: 0000000043c20c20
  CPU:        0   CR30: 0000000041caa000 CR31: 0000000000000000
  ORIG_R28: 0000000000000005
  IAOQ[0]: ct_irq_enter+0xa0/0xd0
  IAOQ[1]: ct_irq_enter+0xa4/0xd0
  RP(r2): irq_enter+0x34/0x68
 Backtrace:
  [<000000004034a3ec>] irq_enter+0x34/0x68
  [<000000004030dc48>] do_cpu_irq_mask+0xc0/0x450
  [<0000000040303070>] intr_return+0x0/0xc

Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Helge Deller 2023-11-28 23:16:00 +01:00 committed by Greg Kroah-Hartman
parent 0f7acd8cef
commit cbdac8249f
1 changed files with 2 additions and 2 deletions
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4
arch/parisc/kernel/irq.c
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@ -498,7 +498,7 @@ asmlinkage void do_cpu_irq_mask(struct pt_regs *regs)
old_regs = set_irq_regs(regs); old_regs = set_irq_regs(regs);
local_irq_disable(); local_irq_disable();
irq_enter(); irq_enter_rcu();
eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu); eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu);
if (!eirr_val) if (!eirr_val)
@ -533,7 +533,7 @@ asmlinkage void do_cpu_irq_mask(struct pt_regs *regs)
#endif /* CONFIG_IRQSTACKS */ #endif /* CONFIG_IRQSTACKS */
out: out:
irq_exit(); irq_exit_rcu();
set_irq_regs(old_regs); set_irq_regs(old_regs);
return; return;