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Tejun Heo 3e5d8f9784 x86: make percpu symbols zerobased on SMP ... [ Based on original patch from Christoph Lameter and Mike Travis. ] This patch makes percpu symbols zerobased on x86_64 SMP by adding PERCPU_VADDR() to vmlinux.lds.h which helps setting explicit vaddr on the percpu output section and using it in vmlinux_64.lds.S. A new PHDR is added as existing ones cannot contain sections near address zero. PERCPU_VADDR() also adds a new symbol __per_cpu_load which always points to the vaddr of the loaded percpu data.init region. The following adjustments have been made to accomodate the address change. * code to locate percpu gdt_page in head_64.S is updated to add the load address to the gdt_page offset. * __per_cpu_load is used in places where access to the init data area is necessary. * pda->data_offset is initialized soon after C code is entered as zero value doesn't work anymore. This patch is mostly taken from Mike Travis' "x86_64: Base percpu variables at zero" patch. Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>		16 years ago
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alpha	irq: update all arches for new irq_desc	16 years ago
arm	Merge branches 'cpus4096', 'x86/cleanups' and 'x86/urgent' into x86/percpu	16 years ago
avr32	…
blackfin	irq: update all arches for new irq_desc	16 years ago
cris	…
frv	…
h8300	…
ia64	irq: update all arches for new irq_desc, fix	16 years ago
m32r	…
m68k	m68k: Fix --build-id breakage for sun3	16 years ago
m68knommu	…
mips	Merge branches 'cpus4096', 'x86/cleanups' and 'x86/urgent' into x86/percpu	16 years ago
mn10300	irq: update all arches for new irq_desc, fix	16 years ago
parisc	irq: update all arches for new irq_desc	16 years ago
powerpc	Merge branches 'cpus4096', 'x86/cleanups' and 'x86/urgent' into x86/percpu	16 years ago
s390	…
sh	…
sparc	Merge branches 'cpus4096', 'x86/cleanups' and 'x86/urgent' into x86/percpu	16 years ago
um	…
x86	x86: make percpu symbols zerobased on SMP	16 years ago
xtensa	…
.gitignore	…
Kconfig	…