search for: sev_es_add_cpuid_cache

Displaying 3 results from an estimated 3 matches for "sev_es_add_cpuid_cache".

2020 Apr 28
0
[PATCH v3 64/75] x86/sev-es: Cache CPUID results for improved performance
...ad(&sev_es_cpuid_cache, cache_index); + if (!cache_entry) + return false; + + ctxt->regs->ax = cache_entry->eax; + ctxt->regs->bx = cache_entry->ebx; + ctxt->regs->cx = cache_entry->ecx; + ctxt->regs->dx = cache_entry->edx; + + return true; +} + +static void sev_es_add_cpuid_cache(struct es_em_ctxt *ctxt, + unsigned long cache_index) +{ + struct sev_es_cpuid_cache_entry *cache_entry; + int ret; + + if (cache_index == ULONG_MAX) + return; + + cache_entry = kzalloc(sizeof(*cache_entry), GFP_ATOMIC); + if (cache_entry) { + cache_entry->eax = ctxt->regs->ax; +...
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