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| author | Takashi Iwai <tiwai@suse.de> | 2022-08-01 08:11:19 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-08-01 08:11:19 +0200 |
| commit | 9769e44d41a1359b9000ff8458f0f2f66080ebf4 (patch) | |
| tree | e91d2d71fd469c2fa9289fed87f0bb4fded196a5 /arch/x86/mm/mem_encrypt_amd.c | |
| parent | f38e6458e16df7bac3871f4e69f9681c0b3c58bd (diff) | |
| parent | be561ffad708f0cee18aee4231f80ffafaf7a419 (diff) | |
Merge branch 'for-next' into for-linus
Diffstat (limited to 'arch/x86/mm/mem_encrypt_amd.c')
| -rw-r--r-- | arch/x86/mm/mem_encrypt_amd.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/x86/mm/mem_encrypt_amd.c b/arch/x86/mm/mem_encrypt_amd.c index e8f7953fda83..f6d038e2cd8e 100644 --- a/arch/x86/mm/mem_encrypt_amd.c +++ b/arch/x86/mm/mem_encrypt_amd.c @@ -21,6 +21,7 @@ #include <linux/dma-mapping.h> #include <linux/virtio_config.h> #include <linux/cc_platform.h> +#include <linux/platform-feature.h> #include <asm/tlbflush.h> #include <asm/fixmap.h> @@ -242,6 +243,9 @@ void __init sev_setup_arch(void) size = total_mem * 6 / 100; size = clamp_val(size, IO_TLB_DEFAULT_SIZE, SZ_1G); swiotlb_adjust_size(size); + + /* Set restricted memory access for virtio. */ + platform_set(PLATFORM_VIRTIO_RESTRICTED_MEM_ACCESS); } static unsigned long pg_level_to_pfn(int level, pte_t *kpte, pgprot_t *ret_prot) |