From: deller@kernel.org
To: linux-parisc@vger.kernel.org
Subject: [PATCH 1/7] parisc: Use irq_enter_rcu() to fix warning at kernel/context_tracking.c:367
Date: Tue, 23 Jan 2024 16:58:58 +0100 [thread overview]
Message-ID: <20240123155904.6220-1-deller@kernel.org> (raw)
From: Helge Deller <deller@gmx.de>
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>
---
arch/parisc/kernel/irq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/parisc/kernel/irq.c b/arch/parisc/kernel/irq.c
index 2f81bfd4f15e..dff66be65d29 100644
--- a/arch/parisc/kernel/irq.c
+++ b/arch/parisc/kernel/irq.c
@@ -498,7 +498,7 @@ asmlinkage 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)
@@ -533,7 +533,7 @@ asmlinkage void do_cpu_irq_mask(struct pt_regs *regs)
#endif /* CONFIG_IRQSTACKS */
out:
- irq_exit();
+ irq_exit_rcu();
set_irq_regs(old_regs);
return;
--
2.43.0
next reply other threads:[~2024-01-23 15:59 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-23 15:58 deller [this message]
2024-01-23 15:58 ` [PATCH 2/7] parisc: Make RO_DATA page aligned in vmlinux.lds.S deller
2024-01-23 15:59 ` [PATCH 3/7] parisc: Check for valid stride size for cache flushes deller
2024-01-23 15:59 ` [PATCH 4/7] parisc: Prevent hung tasks when printing inventory on serial console deller
2024-01-23 15:59 ` [PATCH 5/7] parisc: Drop unneeded semicolon in parse_tree_node() deller
2024-01-23 15:59 ` [PATCH 6/7] parisc: Fix random data corruption from exception handler deller
2024-01-23 15:59 ` [PATCH 7/7] parisc: Show kernel unaligned memory accesses deller
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