This is kind of like the 32-bit and compat code, except that I preserved the fast path this time. I was unable to measure any significant performance change on my laptop in the fast path.
What do you all think? Andy Lutomirski (12): selftests/x86: Extend Makefile to allow 64-bit only tests selftests/x86: Add check_initial_reg_state x86/syscalls: Refactor syscalltbl.sh x86/syscalls: Remove __SYSCALL_COMMON and __SYSCALL_X32 x86/syscalls: Move compat syscall entry handling into syscalltbl.sh x86/syscalls: Add syscall entry qualifiers x86/entry/64: Always run ptregs-using syscalls on the slow path x86/entry/64: Call all native slow-path syscalls with full pt-regs x86/entry/64: Stop using int_ret_from_sys_call in ret_from_fork x86/entry/64: Migrate the 64-bit syscall slow path to C x86/entry/32: Change INT80 to be an interrupt gate x86/entry: Do enter_from_user_mode with IRQs off arch/x86/entry/common.c | 80 +++---- arch/x86/entry/entry_32.S | 8 +- arch/x86/entry/entry_64.S | 245 ++++++--------------- arch/x86/entry/entry_64_compat.S | 2 +- arch/x86/entry/syscall_32.c | 10 +- arch/x86/entry/syscall_64.c | 30 ++- arch/x86/entry/syscalls/syscall_64.tbl | 18 +- arch/x86/entry/syscalls/syscalltbl.sh | 58 ++++- arch/x86/include/asm/thread_info.h | 5 +- arch/x86/kernel/asm-offsets_32.c | 2 +- arch/x86/kernel/asm-offsets_64.c | 10 +- arch/x86/kernel/traps.c | 2 +- arch/x86/um/sys_call_table_32.c | 4 +- arch/x86/um/sys_call_table_64.c | 7 +- arch/x86/um/user-offsets.c | 6 +- tools/testing/selftests/x86/Makefile | 13 +- .../selftests/x86/check_initial_reg_state.c | 108 +++++++++ 17 files changed, 330 insertions(+), 278 deletions(-) create mode 100644 tools/testing/selftests/x86/check_initial_reg_state.c -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
