tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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@linutronix.de>
Reviewed-by: Kevin Tian <kevin.tian@intel.com>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20221124232326.787373104@linutronix.de
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arch/x86/include/asm/msi.h
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arch/x86/include/asm/msi.h
···
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u32 x86_msi_msg_get_destid(struct msi_msg *msg, bool extid);
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#define X86_VECTOR_MSI_FLAGS_SUPPORTED \
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-
(MSI_GENERIC_FLAGS_MASK | MSI_FLAG_PCI_MSIX)
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+
(MSI_GENERIC_FLAGS_MASK | MSI_FLAG_PCI_MSIX | MSI_FLAG_PCI_MSIX_ALLOC_DYN)
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#define X86_VECTOR_MSI_FLAGS_REQUIRED \
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(MSI_FLAG_USE_DEF_DOM_OPS | MSI_FLAG_USE_DEF_CHIP_OPS)