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Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 

Pull x86 vdso changes from Ingo Molnar:
 "Misc vDSO updates"

* 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
  x86/vdso: Remove x32 intermediates during 'make clean'
  x86/vdso: Teach 'make clean' to remove generated vdso-image-*.c files
  x86/vdso32/syscall.S: Do not load __USER32_DS to %ss
  x86/vdso: Fix the x86 vdso2c tool includes
This commit is contained in:
Linus Torvalds 2015-04-13 13:36:45 -07:00
parent ec1bc8e4cf 115db5c68b
commit 6a16dda86e
2 changed files with 2 additions and 4 deletions
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4
arch/x86/vdso/Makefile
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@ -51,7 +51,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE $(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
$(call if_changed,vdso) $(call if_changed,vdso)
HOST_EXTRACFLAGS += -I$(srctree)/tools/include HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi
hostprogs-y += vdso2c hostprogs-y += vdso2c
quiet_cmd_vdso2c = VDSO2C $@ quiet_cmd_vdso2c = VDSO2C $@
@ -206,4 +206,4 @@ $(vdso_img_insttargets): install_%: $(obj)/%.dbg $(MODLIB)/vdso FORCE
PHONY += vdso_install $(vdso_img_insttargets) PHONY += vdso_install $(vdso_img_insttargets)
vdso_install: $(vdso_img_insttargets) FORCE vdso_install: $(vdso_img_insttargets) FORCE
clean-files := vdso32-syscall* vdso32-sysenter* vdso32-int80* vdso64* clean-files := vdso32-syscall* vdso32-sysenter* vdso32-int80* vdso64* vdso-image-*.c vdsox32.so*

2
arch/x86/vdso/vdso32/syscall.S
View File

@ -19,8 +19,6 @@ __kernel_vsyscall:
.Lpush_ebp: .Lpush_ebp:
movl %ecx, %ebp movl %ecx, %ebp
syscall syscall
movl $__USER32_DS, %ecx
movl %ecx, %ss
movl %ebp, %ecx movl %ebp, %ecx
popl %ebp popl %ebp
.Lpop_ebp: .Lpop_ebp: