search for: n_vc_stacks

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

2020 Apr 28
0
[PATCH v3 44/75] x86/sev-es: Allocate and Map IST stacks for #VC handler
...rong, print + * an error message + * + * -> #VC(printk) - shifts #VC IST entry to 0, output driver + * uses 'movs' + * + * -> #VC(movs) - shifts IST to unmapped stack, further #VCs will + * cause #DF + * + */ +#define N_VC_STACKS 5 + +#define VC_STACK_MEMBERS(guardsize, holesize) \ + char hole[holesize]; \ + struct { \ + char guard[guardsize]; \ + char stack[EXCEPTION_STKSZ]; \ + } stacks[N_VC_STACKS]; \ + char top_guard[guardsize]; \ + +/* Physical storage */ +struct vmm_exception_stacks { + VC_ST...
2020 Apr 28
0
[PATCH v3 45/75] x86/dumpstack/64: Handle #VC exception stacks
.../include/asm/stacktrace.h +++ b/arch/x86/include/asm/stacktrace.h @@ -21,6 +21,10 @@ enum stack_type { STACK_TYPE_ENTRY, STACK_TYPE_EXCEPTION, STACK_TYPE_EXCEPTION_LAST = STACK_TYPE_EXCEPTION + N_EXCEPTION_STACKS-1, +#ifdef CONFIG_X86_64 + STACK_TYPE_VC, + STACK_TYPE_VC_LAST = STACK_TYPE_VC + N_VC_STACKS - 1, +#endif }; struct stack_info { diff --git a/arch/x86/kernel/dumpstack_64.c b/arch/x86/kernel/dumpstack_64.c index 87b97897a881..2468963c1424 100644 --- a/arch/x86/kernel/dumpstack_64.c +++ b/arch/x86/kernel/dumpstack_64.c @@ -18,6 +18,7 @@ #include <asm/cpu_entry_area.h> #include...
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