diff options
| author | Tom Lendacky <thomas.lendacky@amd.com> | 2020-09-07 16:15:42 +0300 |
|---|---|---|
| committer | Borislav Petkov <bp@suse.de> | 2020-09-09 12:33:19 +0300 |
| commit | 885689e47dfa1499b756a07237eb645234d93cf9 (patch) | |
| tree | ad37684b76cb072a208d392192532eeb5fa736e0 /arch/x86/include/asm/mem_encrypt.h | |
| parent | 1aa9aa8ee517e0443b06e816a4fd2d15f2113615 (diff) | |
| download | linux-885689e47dfa1499b756a07237eb645234d93cf9.tar.xz | |
x86/sev-es: Setup per-CPU GHCBs for the runtime handler
The runtime handler needs one GHCB per-CPU. Set them up and map them
unencrypted.
[ bp: Touchups and simplification. ]
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200907131613.12703-42-joro@8bytes.org
Diffstat (limited to 'arch/x86/include/asm/mem_encrypt.h')
| -rw-r--r-- | arch/x86/include/asm/mem_encrypt.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/mem_encrypt.h b/arch/x86/include/asm/mem_encrypt.h index 4e72b73a9cb5..c9f5df0a1c10 100644 --- a/arch/x86/include/asm/mem_encrypt.h +++ b/arch/x86/include/asm/mem_encrypt.h @@ -49,6 +49,7 @@ void __init mem_encrypt_free_decrypted_mem(void); /* Architecture __weak replacement functions */ void __init mem_encrypt_init(void); +void __init sev_es_init_vc_handling(void); bool sme_active(void); bool sev_active(void); bool sev_es_active(void); @@ -72,6 +73,7 @@ static inline void __init sme_early_init(void) { } static inline void __init sme_encrypt_kernel(struct boot_params *bp) { } static inline void __init sme_enable(struct boot_params *bp) { } +static inline void sev_es_init_vc_handling(void) { } static inline bool sme_active(void) { return false; } static inline bool sev_active(void) { return false; } static inline bool sev_es_active(void) { return false; } |