search for: cea_vmm_exception_stack

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

2020 Apr 28
0
[PATCH v3 45/75] x86/dumpstack/64: Handle #VC exception stacks
...d01a 100644 --- a/arch/x86/include/asm/cpu_entry_area.h +++ b/arch/x86/include/asm/cpu_entry_area.h @@ -192,6 +192,7 @@ struct cpu_entry_area { DECLARE_PER_CPU(struct cpu_entry_area *, cpu_entry_area); DECLARE_PER_CPU(struct cea_exception_stacks *, cea_exception_stacks); +DECLARE_PER_CPU(struct cea_vmm_exception_stacks *, cea_vmm_exception_stacks); extern void setup_cpu_entry_areas(void); extern void cea_set_pte(void *cea_vaddr, phys_addr_t pa, pgprot_t flags); diff --git a/arch/x86/include/asm/sev-es.h b/arch/x86/include/asm/sev-es.h index e1ed963a57ec..265da8351475 100644 --- a/arch/x86/include/asm/sev-es....
2020 Apr 28
0
[PATCH v3 44/75] x86/sev-es: Allocate and Map IST stacks for #VC handler
...ole[holesize]; \ + struct { \ + char guard[guardsize]; \ + char stack[EXCEPTION_STKSZ]; \ + } stacks[N_VC_STACKS]; \ + char top_guard[guardsize]; \ + +/* Physical storage */ +struct vmm_exception_stacks { + VC_STACK_MEMBERS(0, 0) +}; + +/* Mapping in cpu_entry_area */ +struct cea_vmm_exception_stacks { + VC_STACK_MEMBERS(PAGE_SIZE, EXCEPTION_STKSZ) +}; + #endif #ifdef CONFIG_X86_32 @@ -110,6 +165,12 @@ struct cpu_entry_area { * Exception stacks used for IST entries with guard pages. */ struct cea_exception_stacks estacks; + + /* + * IST Exception stacks for VC handler - Only alloc...
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