search for: 8d5bf7c568a4

...char startup_32_smp[]; extern unsigned char boot_gdt[]; #else extern unsigned char secondary_startup_64[]; +extern unsigned char secondary_startup_64_no_verify[]; #endif static inline size_t real_mode_size_needed(void) diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 8d5bf7c568a4..a708107688a2 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -140,6 +140,18 @@ SYM_CODE_START(secondary_startup_64) /* Sanitize CPU configuration */ call verify_cpu + /* + * The secondary_startup_64_no_verify entry point is only used by + * SEV-ES guests. In those...

...tss; + + /* Load TSS only if entry in GDT is marked present */ + memcpy(&tss, &gdt[GDT_ENTRY_TSS], sizeof(tss_desc)); + if (tss.p) + asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8)); +} diff --git a/arch/x86/kernel/head_64.S b/arch/x86/kernel/head_64.S index 12bf6f11fd83..8d5bf7c568a4 100644 --- a/arch/x86/kernel/head_64.S +++ b/arch/x86/kernel/head_64.S @@ -220,6 +220,11 @@ SYM_CODE_START(secondary_startup_64) */ movq initial_stack(%rip), %rsp + /* Setup a TSS for early IST handlers - needs %gs to be set up */ + pushq %rsi + call early_load_tss + popq %rsi + /* Load ID...

From: Joerg Roedel <jroedel at suse.de> Hi, here is a rebased version of the latest SEV-ES patches. They are now based on latest tip/master instead of upstream Linux and include the necessary changes. Changes to v4 are in particular: - Moved early IDT setup code to idt.c, because the idt_descr and the idt_table are now static - This required to make stack protector work early (or

From: Joerg Roedel <jroedel at suse.de> Hi, here is the new version of the SEV-ES client enabling patch-set. It is based on the latest tip/master branch and contains the necessary changes. In particular those ar: - Enabling CR4.FSGSBASE early on supported processors so that early #VC exceptions on APs can be handled. - Add another patch (patch 1) to fix a KVM frame-size build