linux-kernel - [tip: irq/core] x86/apic/msi: Enable MSI_FLAG_PCI_MSIX_ALLOC

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Message-ID: <167026471147.4906.2795789730317822599.tip-bot2@tip-bot2>
Date:   Mon, 05 Dec 2022 18:25:11 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Kevin Tian <kevin.tian@...el.com>,
        Marc Zyngier <maz@...nel.org>, x86@...nel.org,
        linux-kernel@...r.kernel.org
Subject: [tip: irq/core] x86/apic/msi: Enable MSI_FLAG_PCI_MSIX_ALLOC_DYN

The following commit has been merged into the irq/core branch of tip:

Commit-ID:     3ec4b570fe9fbd5ae91d354d7a157a11f7dcf714
Gitweb:        https://git.kernel.org/tip/3ec4b570fe9fbd5ae91d354d7a157a11f7dcf714
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Fri, 25 Nov 2022 00:26:26 +01:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Mon, 05 Dec 2022 19:21:04 +01:00

x86/apic/msi: Enable MSI_FLAG_PCI_MSIX_ALLOC_DYN

x86 MSI irqdomains can handle MSI-X allocation post MSI-X enable just out
of the box - on the vector domain and on the remapping domains,

Add the feature flag to the supported feature list

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Reviewed-by: Kevin Tian <kevin.tian@...el.com>
Acked-by: Marc Zyngier <maz@...nel.org>
Link: https://lore.kernel.org/r/20221124232326.787373104@linutronix.de

---
 arch/x86/include/asm/msi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/msi.h b/arch/x86/include/asm/msi.h
index 7702958..935c6d4 100644
--- a/arch/x86/include/asm/msi.h
+++ b/arch/x86/include/asm/msi.h
@@ -63,7 +63,7 @@ struct msi_msg;
 u32 x86_msi_msg_get_destid(struct msi_msg *msg, bool extid);
 
 #define X86_VECTOR_MSI_FLAGS_SUPPORTED					\
-	(MSI_GENERIC_FLAGS_MASK | MSI_FLAG_PCI_MSIX)
+	(MSI_GENERIC_FLAGS_MASK | MSI_FLAG_PCI_MSIX | MSI_FLAG_PCI_MSIX_ALLOC_DYN)
 
 #define X86_VECTOR_MSI_FLAGS_REQUIRED					\
 	(MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS)