| Date | Mon, 9 Jan 2023 19:05:27 +0100 | From | Borislav Petkov <> | Subject | Re: [Patch v4 07/13] swiotlb: Remove bounce buffer remapping for Hyper-V |
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On Thu, Dec 01, 2022 at 07:30:25PM -0800, Michael Kelley wrote: > With changes to how Hyper-V guest VMs flip memory between private > (encrypted) and shared (decrypted), creating a second kernel virtual > mapping for shared memory is no longer necessary. Everything needed > for the transition to shared is handled by set_memory_decrypted(). > > As such, remove swiotlb_unencrypted_base and the associated > code. > > Signed-off-by: Michael Kelley <mikelley@microsoft.com> > Acked-by: Christoph Hellwig <hch@lst.de> > --- > arch/x86/kernel/cpu/mshyperv.c | 7 +------ > include/linux/swiotlb.h | 2 -- > kernel/dma/swiotlb.c | 45 +----------------------------------------- > 3 files changed, 2 insertions(+), 52 deletions(-)
Patches removing crap are always nice:
Acked-by: Borislav Petkov (AMD) <bp@alien8.de>
-- Regards/Gruss, Boris.
https://people.kernel.org/tglx/notes-about-netiquette
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