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authorLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 20:10:24 (GMT)
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 20:10:24 (GMT)
commitb6444bd0a18eb47343e16749ce80a6ebd521f124 (patch)
tree989881a237552dbe3fb36df45b4eda6dbd5fc09f /arch/x86/kernel/vmlinux.lds.S
parent9d0cf6f56454c8a71e0aa2c3b9c6cbe470eb2788 (diff)
parent97b67ae559947f1e208439a1bf6a734da3087006 (diff)
downloadlinux-b6444bd0a18eb47343e16749ce80a6ebd521f124.tar.xz
Merge branch 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 boot and percpu updates from Ingo Molnar: "This tree contains a bootable images documentation update plus three slightly misplaced x86/asm percpu changes/optimizations" * 'x86-boot-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86-64: Use RIP-relative addressing for most per-CPU accesses x86-64: Handle PC-relative relocations on per-CPU data x86: Convert a few more per-CPU items to read-mostly ones x86, boot: Document intermediates more clearly
Diffstat (limited to 'arch/x86/kernel/vmlinux.lds.S')
-rw-r--r--arch/x86/kernel/vmlinux.lds.S2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S
index 49edf2d..00bf300 100644
--- a/arch/x86/kernel/vmlinux.lds.S
+++ b/arch/x86/kernel/vmlinux.lds.S
@@ -186,6 +186,8 @@ SECTIONS
* start another segment - init.
*/
PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu)
+ ASSERT(SIZEOF(.data..percpu) < CONFIG_PHYSICAL_START,
+ "per-CPU data too large - increase CONFIG_PHYSICAL_START")
#endif
INIT_TEXT_SECTION(PAGE_SIZE)