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460d12453e
linux/arch/x86/entry
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Andy Lutomirski 460d12453e x86/entry: Make irqs_disabled checks in exit code depend on lockdep 
These checks are quite slow.  Disable them in non-lockdep
kernels to reduce the performance hit.

Signed-off-by: Andy Lutomirski <luto@kernel.org>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Link: http://lkml.kernel.org/r/eccff2a154ae6fb50f40228901003a6e9c24f3d0.1444091585.git.luto@kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
2015-10-09 09:41:11 +02:00
..
syscalls x86/entry/64/compat: Set up full pt_regs for all compat syscalls 2015-10-09 09:41:07 +02:00
vdso x86/entry/32: Re-implement SYSENTER using the new C path 2015-10-09 09:41:10 +02:00
vsyscall x86/entry/vsyscall: Fix undefined symbol warning 2015-09-21 09:56:59 +02:00
calling.h x86/asm/entry/64: Save all regs on interrupt entry 2015-07-07 10:59:07 +02:00
common.c x86/entry: Make irqs_disabled checks in exit code depend on lockdep 2015-10-09 09:41:11 +02:00
entry_32.S x86/entry/32: Re-implement SYSENTER using the new C path 2015-10-09 09:41:10 +02:00
entry_64_compat.S x86/entry/compat: Implement opportunistic SYSRETL for compat syscalls 2015-10-09 09:41:10 +02:00
entry_64.S x86/entry/64/compat: Migrate the body of the syscall entry to C 2015-10-09 09:41:09 +02:00
Makefile x86/entry: Move C entry and exit code to arch/x86/entry/common.c 2015-07-07 10:59:05 +02:00
syscall_32.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
syscall_64.c x86/syscalls: Give sys_call_ptr_t a useful type 2015-10-09 09:41:08 +02:00
thunk_32.S Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 17:59:09 -07:00
thunk_64.S Merge branch 'x86-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-06-22 17:59:09 -07:00