KVM: SEV: Allocate only as many bytes as needed for temp crypt buffers

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When using a temporary buffer to {de,en}crypt unaligned memory for debug,
allocate only the number of bytes that are needed instead of allocating an
entire page.  The most common case for unaligned accesses will be reading
or writing less than 16 bytes.

Link: https://patch.msgid.link/20260501203537.2120074-7-seanjc@google.com
Signed-off-by: Sean Christopherson <seanjc@google.com>

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Sean Christopherson 2026-05-01 13:35:37 -07:00

parent 8d6297a3e7

commit 4c735bf1bc

1 changed files with 21 additions and 46 deletions

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arch/x86/kvm/svm/sev.c

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