search for: _noinstr

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2020 Aug 31
1
[PATCH v6 48/76] x86/entry/64: Add entry code for #VC handler
...> + } > + > + /* > + * From here on the the RSP value is trusted - more RSP sanity checks > + * need to happen above. > + * > + * Check whether entry happened from a safe stack. > + */ > + sp = eregs->sp; > + stack = (unsigned long *)sp; > + get_stack_info_noinstr(stack, current, &info); > + > + /* > + * Don't sync to entry stack or other unknown stacks - use the fall-back > + * stack instead. > + */ > + if (info.type == STACK_TYPE_UNKNOWN || info.type == STACK_TYPE_ENTRY || AFAICT, that STACK_TYPE_UNKNOWN gets set only by the p...
2020 Aug 24
96
[PATCH v6 00/76] x86: SEV-ES Guest Support
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