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Wysocki" , Reinette Chatre , Dan Williams , Len Brown Subject: [PATCH v7 02/24] x86/apic/msi: Use the delivery mode from irq_cfg for message composition Date: Wed, 1 Mar 2023 15:47:31 -0800 Message-Id: <20230301234753.28582-3-ricardo.neri-calderon@linux.intel.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20230301234753.28582-1-ricardo.neri-calderon@linux.intel.com> References: <20230301234753.28582-1-ricardo.neri-calderon@linux.intel.com> X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: "Ravi V. Shankar" , Andi Kleen , Ricardo Neri , Ricardo Neri , Stephane Eranian , linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org, linuxppc-dev@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" irq_cfg provides a delivery mode for each interrupt. Use it instead of the hardcoded APIC_DELIVERY_MODE_FIXED. This allows to compose messages for NMI delivery mode which is required to implement a HPET- based NMI watchdog. No functional change as the default delivery mode is set to APIC_DELIVERY_MODE_FIXED. Cc: Andi Kleen Cc: "Ravi V. Shankar" Cc: Stephane Eranian Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Reviewed-by: Tony Luck Signed-off-by: Ricardo Neri --- Changes since v6: * Reworded changelog as per suggestion from Thomas. Changes since v5: * Introduced this patch Changes since v4: * N/A Changes since v3: * N/A Changes since v2: * N/A Changes since v1: * N/A --- arch/x86/kernel/apic/apic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index 20d9a604da7c..352738238e52 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -2562,7 +2562,7 @@ void __irq_msi_compose_msg(struct irq_cfg *cfg, struct msi_msg *msg, msg->arch_addr_lo.dest_mode_logical = apic->dest_mode_logical; msg->arch_addr_lo.destid_0_7 = cfg->dest_apicid & 0xFF; - msg->arch_data.delivery_mode = APIC_DELIVERY_MODE_FIXED; + msg->arch_data.delivery_mode = cfg->delivery_mode; msg->arch_data.vector = cfg->vector; msg->address_hi = X86_MSI_BASE_ADDRESS_HIGH; -- 2.25.1