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arm64/fpsimd: Document the use of TIF_FOREIGN_FPSTATE by KVM
authorMarc Zyngier <maz@kernel.org>
Thu, 21 Oct 2021 14:33:22 +0000 (15:33 +0100)
committerMarc Zyngier <maz@kernel.org>
Mon, 22 Nov 2021 16:01:39 +0000 (16:01 +0000)
commit31aa126de88e1e9f562f708a9b0ec5917ba97dce
treeb94141a89318064abf35a032145766360f4ae2f6tree | snapshot
parentbee14bca735a6f897a6ec3e42f3e5d2d8966e87ecommit | diff
arm64/fpsimd: Document the use of TIF_FOREIGN_FPSTATE by KVM

The bit of documentation that talks about TIF_FOREIGN_FPSTATE
does not mention the ungodly tricks that KVM plays with this flag.

Try and document this for the posterity.

Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
arch/arm64/kernel/fpsimd.c diff | blob | history
Domain: System / Kernel;