From: Thomas Gleixner <tglx@linutronix.de>
To: Mark Brown <broonie@kernel.org>, Anup Patel <apatel@ventanamicro.com>
Cc: Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, hpa@zytor.com, Marc Zyngier <maz@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Andrew Lunn <andrew@lunn.ch>,
Gregory Clement <gregory.clement@bootlin.com>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Atish Patra <atishp@atishpatra.org>,
Andrew Jones <ajones@ventanamicro.com>,
Sunil V L <sunilvl@ventanamicro.com>,
Anup Patel <anup@brainfault.org>,
linux-riscv@lists.infradead.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, imx@lists.linux.dev
Subject: Re: [PATCH v6 02/10] irqchip/irq-msi-lib: Optionally set default irq_eoi/irq_ack
Date: Thu, 20 Feb 2025 15:21:18 +0100 [thread overview]
Message-ID: <878qq0itnl.ffs@tglx> (raw)
In-Reply-To: <87jz9kiuvu.ffs@tglx>
On Thu, Feb 20 2025 at 14:54, Thomas Gleixner wrote:
> On Wed, Feb 19 2025 at 14:41, Mark Brown wrote:
>> On Mon, Feb 17, 2025 at 02:26:48PM +0530, Anup Patel wrote:
>> I'm seeing boot regressions with qemu on arm64 in -next which bisect
>> down to this patch. We hit a NULL pointer dereference:
>>
>> <6>[ 0.898900] virtio_blk virtio1: 1/0/0 default/read/poll queues
>> <5>[ 0.910197] virtio_blk virtio1: [vda] 3906250 512-byte logical blocks (2.00 GB/1.86 GiB)
>> <1>[ 0.924459] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
>> <1>[ 0.924508] Mem abort info:
>> <1>[ 0.924521] ESR = 0x000000008600002b
>> <1>[ 0.924559] EC = 0x21: IABT (current EL), IL = 32 bits
>> <1>[ 0.924580] SET = 0, FnV = 0
>> <1>[ 0.924597] EA = 0, S1PTW = 0
>> <1>[ 0.924616] FSC = 0x2b: level -1 translation fault
>> <1>[ 0.924667] [0000000000000000] user address but active_mm is swapper
>> <0>[ 0.924833] Internal error: Oops: 000000008600002b [#1] PREEMPT
>> SMP
>
> Uuurg. I wish I had double checked that the final submitted patch covers
> _ALL_ incarnations of this. The below delta patch should address it.
I'll redo the branch accordingly.
Thanks,
tglx
next prev parent reply other threads:[~2025-02-20 14:33 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-02-17 8:56 [PATCH v6 00/10] RISC-V IMSIC driver improvements Anup Patel
2025-02-17 8:56 ` [PATCH v6 01/10] irqchip/riscv-imsic: Set irq_set_affinity for IMSIC base Anup Patel
2025-02-17 8:56 ` [PATCH v6 02/10] irqchip/irq-msi-lib: Optionally set default irq_eoi/irq_ack Anup Patel
2025-02-19 14:41 ` Mark Brown
2025-02-20 13:54 ` Thomas Gleixner
2025-02-20 14:21 ` Thomas Gleixner [this message]
2025-02-17 8:56 ` [PATCH v6 03/10] irqchip/riscv-imsic: Move to common MSI lib Anup Patel
2025-02-17 8:56 ` [PATCH v6 04/10] genirq: Introduce common irq_force_complete_move() implementation Anup Patel
2025-04-03 13:13 ` Frank Scheiner
2025-04-03 15:03 ` Thomas Gleixner
2025-04-03 17:46 ` Frank Scheiner
2025-04-04 14:51 ` [PATCH] genirq/migration: Use irqd_get_parent_data() in irq_force_complete_move() Thomas Gleixner
2025-02-17 8:56 ` [PATCH v6 05/10] genirq: Introduce irq_can_move_in_process_context() Anup Patel
2025-02-17 8:56 ` [PATCH v6 06/10] RISC-V: Select GENERIC_PENDING_IRQ Anup Patel
2025-02-17 8:56 ` [PATCH v6 07/10] irqchip/riscv-imsic: Separate next and previous pointers in IMSIC vector Anup Patel
2025-02-17 8:56 ` [PATCH v6 08/10] irqchip/riscv-imsic: Implement irq_force_complete_move() for IMSIC Anup Patel
2025-02-17 8:56 ` [PATCH v6 09/10] irqchip/riscv-imsic: Replace hwirq with irq in the IMSIC vector Anup Patel
2025-02-17 8:56 ` [PATCH v6 10/10] irqchip/riscv-imsic: Special handling for non-atomic device MSI update Anup Patel
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