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| author | Andy Lutomirski <luto@mit.edu> | 2011-07-14 14:47:22 +0400 |
|---|---|---|
| committer | H. Peter Anvin <hpa@linux.intel.com> | 2011-07-15 04:57:05 +0400 |
| commit | 98d0ac38ca7b1b7a552c9a2359174ff84decb600 (patch) | |
| tree | 0c244e828f86c779c348a4888ed9e303c3e59811 /arch/x86/kernel/Makefile | |
| parent | 433bd805e5fd2c731b3a9025b034f066272d336e (diff) | |
| download | linux-98d0ac38ca7b1b7a552c9a2359174ff84decb600.tar.xz | |
x86-64: Move vread_tsc and vread_hpet into the vDSO
The vsyscall page now consists entirely of trap instructions.
Cc: John Stultz <johnstul@us.ibm.com>
Signed-off-by: Andy Lutomirski <luto@mit.edu>
Link: http://lkml.kernel.org/r/637648f303f2ef93af93bae25186e9a1bea093f5.1310639973.git.luto@mit.edu
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
Diffstat (limited to 'arch/x86/kernel/Makefile')
| -rw-r--r-- | arch/x86/kernel/Makefile | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index cc0469a65120..2deef3d2435a 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -24,17 +24,12 @@ endif nostackp := $(call cc-option, -fno-stack-protector) CFLAGS_vsyscall_64.o := $(PROFILING) -g0 $(nostackp) CFLAGS_hpet.o := $(nostackp) -CFLAGS_vread_tsc_64.o := $(nostackp) CFLAGS_paravirt.o := $(nostackp) GCOV_PROFILE_vsyscall_64.o := n GCOV_PROFILE_hpet.o := n GCOV_PROFILE_tsc.o := n -GCOV_PROFILE_vread_tsc_64.o := n GCOV_PROFILE_paravirt.o := n -# vread_tsc_64 is hot and should be fully optimized: -CFLAGS_REMOVE_vread_tsc_64.o = -pg -fno-optimize-sibling-calls - obj-y := process_$(BITS).o signal.o entry_$(BITS).o obj-y += traps.o irq.o irq_$(BITS).o dumpstack_$(BITS).o obj-y += time.o ioport.o ldt.o dumpstack.o @@ -43,7 +38,7 @@ obj-$(CONFIG_IRQ_WORK) += irq_work.o obj-y += probe_roms.o obj-$(CONFIG_X86_32) += sys_i386_32.o i386_ksyms_32.o obj-$(CONFIG_X86_64) += sys_x86_64.o x8664_ksyms_64.o -obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o vread_tsc_64.o +obj-$(CONFIG_X86_64) += syscall_64.o vsyscall_64.o obj-$(CONFIG_X86_64) += vsyscall_emu_64.o obj-y += bootflag.o e820.o obj-y += pci-dma.o quirks.o topology.o kdebugfs.o |