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authorLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 14:24:20 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 14:24:20 -0800
commit3100e448e7d74489a96cb7b45d88fe6962774eaa (patch)
tree53e46a702bd191ca43639b560d2bb1d3b0ad18c8 /arch/x86/include/asm/fixmap.h
parentc9f861c77269bc9950c16c6404a9476062241671 (diff)
parent26893107aa717cd11010f0c278d02535defa1ac9 (diff)
downloadlinux-0-day-3100e448e7d74489a96cb7b45d88fe6962774eaa.tar.gz
linux-0-day-3100e448e7d74489a96cb7b45d88fe6962774eaa.tar.xz
Merge branch 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 vdso updates from Ingo Molnar: "Various vDSO updates from Andy Lutomirski, mostly cleanups and reorganization to improve maintainability, but also some micro-optimizations and robustization changes" * 'x86-vdso-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86_64/vsyscall: Restore orig_ax after vsyscall seccomp x86_64: Add a comment explaining the TASK_SIZE_MAX guard page x86_64,vsyscall: Make vsyscall emulation configurable x86_64, vsyscall: Rewrite comment and clean up headers in vsyscall code x86_64, vsyscall: Turn vsyscalls all the way off when vsyscall==none x86,vdso: Use LSL unconditionally for vgetcpu x86: vdso: Fix build with older gcc x86_64/vdso: Clean up vgetcpu init and merge the vdso initcalls x86_64/vdso: Remove jiffies from the vvar page x86/vdso: Make the PER_CPU segment 32 bits x86/vdso: Make the PER_CPU segment start out accessed x86/vdso: Change the PER_CPU segment to use struct desc_struct x86_64/vdso: Move getcpu code from vsyscall_64.c to vdso/vma.c x86_64/vsyscall: Move all of the gate_area code to vsyscall_64.c
Diffstat (limited to 'arch/x86/include/asm/fixmap.h')
-rw-r--r--arch/x86/include/asm/fixmap.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h
index bf728e49c53cc..f80d70009ff87 100644
--- a/arch/x86/include/asm/fixmap.h
+++ b/arch/x86/include/asm/fixmap.h
@@ -69,7 +69,9 @@ enum fixed_addresses {
#ifdef CONFIG_X86_32
FIX_HOLE,
#else
+#ifdef CONFIG_X86_VSYSCALL_EMULATION
VSYSCALL_PAGE = (FIXADDR_TOP - VSYSCALL_ADDR) >> PAGE_SHIFT,
+#endif
#ifdef CONFIG_PARAVIRT_CLOCK
PVCLOCK_FIXMAP_BEGIN,
PVCLOCK_FIXMAP_END = PVCLOCK_FIXMAP_BEGIN+PVCLOCK_VSYSCALL_NR_PAGES-1,