On Wed, Feb 9, 2022 at 8:44 AM Varad Gautam <varad.gautam@xxxxxxxx> wrote: > > Processing #VC exceptions on AMD SEV-ES requires instruction decoding > logic to set up the right GHCB state before exiting to the host. > > Pull in the instruction decoder from Linux for this purpose. > > Origin: Linux 64222515138e43da1fcf288f0289ef1020427b87 > > Signed-off-by: Varad Gautam <varad.gautam@xxxxxxxx> > --- > lib/x86/insn/inat-tables.c | 1566 ++++++++++++++++++++++++++++++++++++ > lib/x86/insn/inat.c | 86 ++ > lib/x86/insn/inat.h | 233 ++++++ > lib/x86/insn/inat_types.h | 18 + > lib/x86/insn/insn.c | 778 ++++++++++++++++++ > lib/x86/insn/insn.h | 280 +++++++ > x86/Makefile.common | 2 + > 7 files changed, 2963 insertions(+) > create mode 100644 lib/x86/insn/inat-tables.c In Linux, this file is generated. Why not take the scripts to generate it -- rather than the generated file? > create mode 100644 lib/x86/insn/inat.c > create mode 100644 lib/x86/insn/inat.h > create mode 100644 lib/x86/insn/inat_types.h > create mode 100644 lib/x86/insn/insn.c > create mode 100644 lib/x86/insn/insn.h I diffed all of these files against their counterparts in Linus' tree at SHA1 64222515138e. I saw differences for insn.c and insn.h. Is that intended? Also, should we add a README to this directory to explain that the code was obtained from upstream, how this was done, and when/how to update it?