Messages in this thread Patch in this message | | | From | Ricardo Neri <> | 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 |
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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 <ak@linux.intel.com> Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: iommu@lists.linux-foundation.org Cc: linuxppc-dev@lists.ozlabs.org Reviewed-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Ricardo Neri <ricardo.neri-calderon@linux.intel.com> --- 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
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