From: Madhavan Srinivasan <maddy@linux.ibm.com>
To: linuxppc-dev@lists.ozlabs.org, Sayali Patil <sayalip@linux.ibm.com>
Cc: linux-kernel@vger.kernel.org,
Ritesh Harjani <ritesh.list@gmail.com>,
Mahesh Salgaonkar <mahesh@linux.ibm.com>,
sshegde@linux.ibm.com, chleroy@kernel.org
Subject: Re: [PATCH v2] powerpc/time: Remove redundant preempt_disable|enable() calls from arch_irq_work_raise() - part1
Date: Mon, 18 May 2026 11:13:44 +0530 [thread overview]
Message-ID: <177908291164.287704.946864101583283799.b4-ty@linux.ibm.com> (raw)
In-Reply-To: <20260513081413.222490-1-sayalip@linux.ibm.com>
On Wed, 13 May 2026 13:44:13 +0530, Sayali Patil wrote:
> A kernel panic is observed when handling machine check exceptions from
> real mode.
>
> BUG: Unable to handle kernel data access on read at 0xc00000006be21300
> Oops: Kernel access of bad area, sig: 11 [#1]
> MSR: 8000000000001003 <SF,ME,RI,LE> CR: 88222248 XER: 00000005
> CFAR: c00000000003ffc4 DAR: c00000006be21300 DSISR: 40000000 IRQMASK: 0
> NIP [c000000000029e40] arch_irq_work_raise+0x10/0x70
> LR [c00000000003ffc8] machine_check_queue_event+0xa8/0x150
> Call Trace:
> [c0000000179d3c70] [c00000000003ff64] machine_check_queue_event+0x44/0x150
> [c0000000179d3d30] [c0000000000084e0] machine_check_early_common+0x1f0/0x2c0
>
> [...]
Applied to powerpc/fixes.
[1/1] powerpc/time: Remove redundant preempt_disable|enable() calls from arch_irq_work_raise() - part1
https://git.kernel.org/powerpc/c/31467b23823ffec1f6fff407f8e3ca9af8b7491a
cheers
prev parent reply other threads:[~2026-05-18 5:44 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-05-13 8:14 Sayali Patil
2026-05-18 5:43 ` Madhavan Srinivasan [this message]
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