For larger TDX VM, memset() after set_memory_decrypted() in swiotlb_update_mem_attributes() takes substantial portion of boot time. Zeroing doesn't serve any functional purpose. Malicious VMM can mess with decrypted/shared buffer at any point. Remove the memset(). Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Acked-by: Tom Lendacky <thomas.lendacky@amd.com> Signed-off-by: Christoph Hellwig <hch@lst.de> |
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.. | ||
coherent.c | ||
contiguous.c | ||
debug.c | ||
debug.h | ||
direct.c | ||
direct.h | ||
dummy.c | ||
Kconfig | ||
Makefile | ||
map_benchmark.c | ||
mapping.c | ||
ops_helpers.c | ||
pool.c | ||
remap.c | ||
swiotlb.c |