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Commit fea29d47 authored by Helge Deller's avatar Helge Deller Committed by Greg Kroah-Hartman
Browse files

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



[ Upstream commit 73cb4a2d8d7e0259f94046116727084f21e4599f ]

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: default avatarHelge Deller <deller@gmx.de>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 5c11581d

arch/parisc/kernel/irq.c

+2 −2
Original line number Diff line number Diff line
@@ -524,7 +524,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) 


	old_regs = set_irq_regs(regs);

	local_irq_disable();

	irq_enter();

	irq_enter_rcu();



	eirr_val = mfctl(23) & cpu_eiem & per_cpu(local_ack_eiem, cpu);

	if (!eirr_val)
@@ -559,7 +559,7 @@ void do_cpu_irq_mask(struct pt_regs *regs) 
#endif /* CONFIG_IRQSTACKS */



 out:

	irq_exit();

	irq_exit_rcu();

	set_irq_regs(old_regs);

	return;