This series adds support for the extended processor state (XSTATE) for x86_64 UML, especially the YMM registers used by AVX/AVX2 instructions.
Modern userspace programs built with AVX can now run inside x86_64 UML without YMM registers getting corrupted. Eli Cooper (3): um: extend _fpstate to _xstate um: add extended processor state save/restore support um: fix ptrace PTRACE_GETFPREGS and PTRACE_SETFPREG support arch/um/include/shared/registers.h | 2 ++ arch/um/kernel/process.c | 2 +- arch/x86/um/os-Linux/registers.c | 49 +++++++++++++++++++++++++++++++++-- arch/x86/um/ptrace_32.c | 4 +-- arch/x86/um/ptrace_64.c | 14 +++++----- arch/x86/um/shared/sysdep/ptrace_64.h | 4 +-- arch/x86/um/signal.c | 26 +++++++++---------- arch/x86/um/user-offsets.c | 2 +- 8 files changed, 73 insertions(+), 30 deletions(-) -- 2.7.2 ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel
