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bh=mOprUGS9zKn8QM34ojdM+ZY2ATHviEv2z/2ZMLoiCis=; b=MKXd64+nsUK2wnu4UlSRgWWsbneQ1gJH/TuzupfcYXTrRFxEBZYt2OaXgBvXTCBMvYL000 c0EyzNaoOekNOtDA== From: "tip-bot2 for Dawei Li" Sender: tip-bot2@linutronix.de Reply-to: linux-kernel@vger.kernel.org To: linux-tip-commits@vger.kernel.org Subject: [tip: irq/core] genirq: Initialize resend_node hlist for all interrupt descriptors Cc: Dawei Li , Thomas Gleixner , Marc Zyngier , stable@vger.kernel.org, x86@kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <20240122085716.2999875-5-dawei.li@shingroup.cn> References: <20240122085716.2999875-5-dawei.li@shingroup.cn> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-ID: <170612132097.398.7552255144385279476.tip-bot2@tip-bot2> Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails Precedence: bulk X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1788997942426299242 X-GMAIL-MSGID: 1788997942426299242 The following commit has been merged into the irq/core branch of tip: Commit-ID: b184c8c2889ceef0a137c7d0567ef9fe3d92276e Gitweb: https://git.kernel.org/tip/b184c8c2889ceef0a137c7d0567ef9fe3d92276e Author: Dawei Li AuthorDate: Mon, 22 Jan 2024 16:57:15 +08:00 Committer: Thomas Gleixner CommitterDate: Wed, 24 Jan 2024 14:15:41 +01:00 genirq: Initialize resend_node hlist for all interrupt descriptors For a CONFIG_SPARSE_IRQ=n kernel, early_irq_init() is supposed to initialize all interrupt descriptors. It does except for irq_desc::resend_node, which ia only initialized for the first descriptor. Use the indexed decriptor and not the base pointer to address that. Fixes: bc06a9e08742 ("genirq: Use hlist for managing resend handlers") Signed-off-by: Dawei Li Signed-off-by: Thomas Gleixner Acked-by: Marc Zyngier Cc: stable@vger.kernel.org Link: https://lore.kernel.org/r/20240122085716.2999875-5-dawei.li@shingroup.cn --- kernel/irq/irqdesc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 27ca1c8..371eb17 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -600,7 +600,7 @@ int __init early_irq_init(void) mutex_init(&desc[i].request_mutex); init_waitqueue_head(&desc[i].wait_for_threads); desc_set_defaults(i, &desc[i], node, NULL, NULL); - irq_resend_init(desc); + irq_resend_init(&desc[i]); } return arch_early_irq_init(); }