Commit 2fb6acf3 authored Nov 11, 2020 by David Woodhouse Committed by Thomas Gleixner Nov 11, 2020

iommu/amd: Fix union of bitfields in intcapxt support



All the bitfields in here are overlaid on top of each other since
they're a union. Change the second u64 to be in a struct so it does
the intended thing.

Fixes: b5c3786e ("iommu/amd: Use msi_msg shadow structs")
Signed-off-by: David Woodhouse <dwmw@amazon.co.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20201111144322.1659970-2-dwmw2@infradead.org

parent aec8da04

drivers/iommu/amd/init.c

+9 −7

Original line number	Diff line number	Diff line
		@@ -1967,6 +1967,7 @@ static int iommu_setup_msi(struct amd_iommu *iommu)

		union intcapxt {
		u64 capxt;
		struct {
		u64 reserved_0 : 2,
		dest_mode_logical : 1,
		reserved_1 : 5,
		@@ -1974,6 +1975,7 @@ union intcapxt {
		vector : 8,
		reserved_2 : 16,
		destid_24_31 : 8;
		};
		} __attribute__ ((packed));

		/*

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