search for: d83d59c15548

Displaying 4 results from an estimated 4 matches for "d83d59c15548".

2020 Apr 28
0
[PATCH v3 70/75] x86/head/64: Setup TSS early for secondary CPUs
...t(struct desc_struct *desc, const struct user_desc *in desc->l = 0; } +extern unsigned char boot_gdt[]; + extern struct desc_ptr idt_descr; extern gate_desc idt_table[]; extern const struct desc_ptr debug_idt_descr; diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index d83d59c15548..30a6d09fd9d0 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -523,6 +523,19 @@ void __head early_idt_setup_early_handler(unsigned long physaddr) } } +void __head early_load_tss(void) +{ + struct desc_struct *gdt = (struct desc_struct *)boot_gdt; + struct tss_struct *ts...
2020 Apr 28
0
[PATCH v3 42/75] x86/sev-es: Setup GHCB based boot #VC handler
...sev-es.h +++ b/arch/x86/include/asm/sev-es.h @@ -74,5 +74,6 @@ static inline u64 lower_bits(u64 val, unsigned int bits) } extern void vc_no_ghcb(void); +extern bool vc_boot_ghcb(struct pt_regs *regs); #endif diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c index 9586522bfcb3..d83d59c15548 100644 --- a/arch/x86/kernel/head64.c +++ b/arch/x86/kernel/head64.c @@ -386,6 +386,12 @@ void __init do_early_exception(struct pt_regs *regs, int trapnr) early_make_pgtable(native_read_cr2())) return; +#ifdef CONFIG_AMD_MEM_ENCRYPT + if (trapnr == X86_TRAP_VC && + vc_boot_gh...
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by
2020 Apr 28
116
[PATCH v3 00/75] x86: SEV-ES Guest Support
Hi, here is the next version of changes to enable Linux to run as an SEV-ES guest. The code was rebased to v5.7-rc3 and got a fair number of changes since the last version. What is SEV-ES ============== SEV-ES is an acronym for 'Secure Encrypted Virtualization - Encrypted State' and means a hardware feature of AMD processors which hides the register state of VCPUs to the hypervisor by