From: Herbert Xu <herbert@gondor.apana.org.au>
To: Jiale Yao <yaojiale02@163.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
John Allen <john.allen@amd.com>,
"David S. Miller" <davem@davemloft.net>,
Gary R Hook <gary.hook@amd.com>,
linux-crypto@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] crypto: ccp: kill v3 IRQ tasklet during teardown
Date: Wed, 23 Sep 2026 18:58:18 +1000 [thread overview]
Message-ID: <arOUqlZeLog6xfqs@gondor.apana.org.au> (raw)
In-Reply-To: <20260920173407.2126086-1-yaojiale02@163.com>
On Mon, Sep 21, 2026 at 01:34:07AM +0800, Jiale Yao wrote:
> On PCI devices using MSI-X, ccp_irq_handler() schedules irq_tasklet. The
> teardown paths release the IRQ but do not drain a tasklet that was
> already queued, so it can access ccp after the device-managed allocation
> has been released.
>
> Kill the tasklet after releasing the IRQ in both the initialization
> error path and ccp_destroy().
>
> Fixes: 7b537b24e76a ("crypto: ccp - Change ISR handler method for a v3 CCP")
>
> Signed-off-by: Jiale Yao <yaojiale02@163.com>
> ---
> drivers/crypto/ccp/ccp-dev-v3.c | 4 ++++
> 1 file changed, 4 insertions(+)
Patch applied. Thanks.
--
Email: Herbert Xu <herbert@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
prev parent reply other threads:[~2026-09-23 8:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-20 17:34 [PATCH] crypto: ccp: kill v3 IRQ tasklet during teardown Jiale Yao
2026-09-23 8:58 ` Herbert Xu [this message]
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