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Christoph Lameter 6c036527a6 [PATCH] mostly_read data section 
Add a new section called ".data.read_mostly" for data items that are read
frequently and rarely written to like cpumaps etc.

If these maps are placed in the .data section then these frequenly read
items may end up in cachelines with data is is frequently updated.  In that
case all processors in an SMP system must needlessly reload the cachelines
again and again containing elements of those frequently used variables.

The ability to share these cachelines will allow each cpu in an SMP system
to keep local copies of those shared cachelines thereby optimizing
performance.

Signed-off-by: Alok N Kataria <alokk@calsoftinc.com>
Signed-off-by: Shobhit Dayal <shobhit@calsoftinc.com>
Signed-off-by: Christoph Lameter <christoph@scalex86.org>
Signed-off-by: Shai Fultheim <shai@scalex86.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
 		2005-07-07 18:23:46 -07:00
..
acpi [PATCH] PCI: add proper MCFG table parsing to ACPI core. 2005-06-27 21:52:47 -07:00
cpu [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
timers [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
Makefile [PATCH] kexec: x86 kexec core 2005-06-25 16:24:49 -07:00
apic.c [PATCH] x86: i8253/i8259A lock cleanup 2005-06-30 08:45:10 -07:00
apm.c [PATCH] x86: i8253/i8259A lock cleanup 2005-06-30 08:45:10 -07:00
asm-offsets.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
bootflag.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
cpuid.c [PATCH] class: convert arch/* to use the new class api instead of class_simple 2005-06-20 15:15:09 -07:00
crash.c [PATCH] kexec code cleanup 2005-06-25 16:24:55 -07:00
dmi_scan.c [PATCH] dmi: spring cleanup 2005-06-25 16:24:28 -07:00
doublefault.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
early_printk.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
efi.c [PATCH] crashdump: x86 crashkernel option 2005-06-25 16:24:50 -07:00
efi_stub.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
entry.S [PATCH] uml: fix syscall table by including $(SUBARCH)'s one, for i386 2005-05-01 08:58:55 -07:00
head.S [PATCH] variable overflow after hundreds round of hotplug CPU 2005-06-25 16:24:28 -07:00
i386_ksyms.c [PATCH] Remove i386_ksyms.c, almost. 2005-06-23 09:45:11 -07:00
i387.c [PATCH] Remove i386_ksyms.c, almost. 2005-06-23 09:45:11 -07:00
i8259.c [PATCH] kexec: x86: i8259 shutdown: disable interrupts 2005-06-25 16:24:46 -07:00
init_task.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
io_apic.c [PATCH] x86: i8253/i8259A lock cleanup 2005-06-30 08:45:10 -07:00
ioport.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
irq.c [PATCH] cpu state clean after hot remove 2005-06-25 16:24:30 -07:00
kprobes.c [PATCH] kprobes: fix namespace problem and sparc64 build 2005-07-05 19:19:00 -07:00
ldt.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
machine_kexec.c [PATCH] kexec code cleanup 2005-06-25 16:24:55 -07:00
mca.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
microcode.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
module.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
mpparse.c [PATCH] i386: cleanup boot_cpu_logical_apicid variables 2005-06-25 16:25:05 -07:00
msr.c [PATCH] class: convert arch/* to use the new class api instead of class_simple 2005-06-20 15:15:09 -07:00
nmi.c [PATCH] adjust i386 watchdog tick calculation 2005-06-23 09:45:09 -07:00
numaq.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
pci-dma.c [PATCH] Remove i386_ksyms.c, almost. 2005-06-23 09:45:11 -07:00
process.c [PATCH] seccomp: tsc disable 2005-06-27 15:11:44 -07:00
ptrace.c [PATCH] xen: x86: Rename usermode macro 2005-06-23 09:45:14 -07:00
quirks.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
reboot.c [PATCH] kexec: x86: factor out apic shutdown code 2005-06-25 16:24:49 -07:00
reboot_fixups.c [PATCH] x86 reboot: Add reboot fixup for gx1/cs5530a 2005-05-01 08:58:49 -07:00
relocate_kernel.S [PATCH] kexec: x86 kexec core 2005-06-25 16:24:49 -07:00
scx200.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
semaphore.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
setup.c [PATCH] Retrieve elfcorehdr address from command line 2005-06-25 16:24:53 -07:00
sigframe.h Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
signal.c Fix up try_to_freeze() usage in arch/i386/kernel/signal.c 2005-06-25 20:09:12 -07:00
smp.c [PATCH] sep initializing rework 2005-06-25 16:24:29 -07:00
smpboot.c [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
srat.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
summit.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys_i386.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
syscall_table.S [PATCH] Update cfq io scheduler to time sliced design 2005-06-27 14:33:29 -07:00
sysenter.c [PATCH] sep initializing rework 2005-06-25 16:24:29 -07:00
time.c [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
time_hpet.c [PATCH] CPU hotplug: fix hpet sectioning 2005-06-25 16:24:28 -07:00
trampoline.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
traps.c [PATCH] arch/i386/kernel/traps.c: fix sparse warnings 2005-06-25 16:24:58 -07:00
vm86.c [PATCH] misc verify_area cleanups 2005-05-01 08:59:08 -07:00
vmlinux.lds.S [PATCH] mostly_read data section 2005-07-07 18:23:46 -07:00
vsyscall-int80.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall-note.S [PATCH] i386 vDSO: add PT_NOTE segment 2005-04-16 15:24:48 -07:00
vsyscall-sigreturn.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall-sysenter.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall.lds.S [PATCH] i386 vDSO: add PT_NOTE segment 2005-04-16 15:24:48 -07:00