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linux-2.6/arch/i386/kernel
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Zachary Amsden 9226d125d9 [PATCH] i386: paravirt CPU hypercall batching mode 
The VMI ROM has a mode where hypercalls can be queued and batched.  This turns
out to be a significant win during context switch, but must be done at a
specific point before side effects to CPU state are visible to subsequent
instructions.  This is similar to the MMU batching hooks already provided.
The same hooks could be used by the Xen backend to implement a context switch
multicall.

To explain a bit more about lazy modes in the paravirt patches, basically, the
idea is that only one of lazy CPU or MMU mode can be active at any given time.
 Lazy MMU mode is similar to this lazy CPU mode, and allows for batching of
multiple PTE updates (say, inside a remap loop), but to avoid keeping some
kind of state machine about when to flush cpu or mmu updates, we just allow
one or the other to be active.  Although there is no real reason a more
comprehensive scheme could not be implemented, there is also no demonstrated
need for this extra complexity.

Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Cc: Andi Kleen <ak@suse.de>
Cc: Jeremy Fitzhardinge <jeremy@xensource.com>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Cc: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
 		2007-02-13 13:26:21 +01:00
..
acpi ACPICA: Allow ACPI id to be u32 instead of u8. 2007-02-02 21:14:31 -05:00
cpu [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
.gitignore [PATCH] x86: gitignore some autogenerated files for i386 2006-02-14 16:09:35 -08:00
Makefile [PATCH] paravirt: Add startup infrastructure for paravirtualization 2006-12-07 02:14:08 +01:00
alternative.c [PATCH] paravirt: Patch inline replacements for paravirt intercepts 2006-12-07 02:14:08 +01:00
apic.c [PATCH] x86: Regard MSRs in lapic_suspend()/lapic_resume() 2006-12-07 02:14:11 +01:00
apm.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
asm-offsets.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
bootflag.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
cpuid.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
crash.c [PATCH] Kexec / Kdump: Unify elf note code 2006-12-07 08:39:46 -08:00
crash_dump.c [PATCH] kdump: read previous kernel's memory 2006-01-10 08:01:28 -08:00
doublefault.c [PATCH] i386: cpu_relax() in crash.c and doublefault.c 2006-06-25 10:00:55 -07:00
e820.c [PATCH] i386: arch/i386/kernel/e820.c should #include <asm/setup.h 2007-02-13 13:26:21 +01:00
early_printk.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
efi.c [PATCH] EFI x86: pass firmware call parameters on the stack 2007-02-04 10:27:10 -08:00
efi_stub.S [PATCH] x86: remove unused include from efi_stub.S 2006-09-26 08:48:56 -07:00
entry.S [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
head.S [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
hpet.c [PATCH] hpet: trivial __iomem annotations 2007-02-09 09:14:07 -08:00
i386_ksyms.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
i387.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
i8237.c [PATCH] mmc (mainly): add "or later" clause to licence statement. 2006-10-01 00:39:23 -07:00
i8253.c [PATCH] i386 Time: Avoid PIT SMP lockups 2006-10-17 08:18:42 -07:00
i8259.c [PATCH] paravirt: header and stubs for paravirtualisation 2006-12-07 02:14:07 +01:00
init_task.c [PATCH] nsproxy: move init_nsproxy into kernel/nsproxy.c 2006-10-02 07:57:20 -07:00
io_apic.c [PATCH] i386: Fix a typo in an IRQ handler name 2007-02-13 13:26:20 +01:00
ioport.c [PATCH] i386: use thread_info flags for debug regs and IO bitmaps 2006-07-09 18:47:12 -07:00
irq.c [PATCH] genirq: clean up irq-flow-type naming 2006-10-17 08:18:45 -07:00
kprobes.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
ldt.c [PATCH] i386: remove default_ldt, and simplify ldt-setting. 2006-12-07 02:14:01 +01:00
machine_kexec.c [PATCH] i386: Avoid overwriting the current pgd (V4, i386) 2006-09-26 10:52:38 +02:00
mca.c [PATCH] i386: replace kmalloc+memset with kzalloc 2006-12-07 02:14:19 +01:00
microcode.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
module.c [PATCH] Generic BUG for i386 2006-12-08 08:28:39 -08:00
mpparse.c ACPICA: use new ACPI headers. 2007-02-02 21:14:28 -05:00
msr.c [PATCH] mark struct file_operations const 2 2007-02-12 09:48:44 -08:00
nmi.c [PATCH] Revert nmi_known_cpu() check during boot option parsing 2007-01-23 07:52:05 -08:00
numaq.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
paravirt.c [PATCH] i386: paravirt CPU hypercall batching mode 2007-02-13 13:26:21 +01:00
pci-dma.c [PATCH] i386: replace kmalloc+memset with kzalloc 2006-12-07 02:14:19 +01:00
process.c [PATCH] i386: paravirt CPU hypercall batching mode 2007-02-13 13:26:21 +01:00
ptrace.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
quirks.c [PATCH] x86: Fix verify_quirk_intel_irqbalance() 2006-12-09 21:33:35 +01:00
reboot.c [PATCH] arch/i386/kernel/reboot.c should #include <linux/reboot.h> 2006-12-07 08:39:44 -08:00
reboot_fixups.c [PATCH] i386: Remove printk about reboot fixups at reboot 2006-04-09 11:53:53 -07:00
relocate_kernel.S [PATCH] i386: Avoid overwriting the current pgd (V4, i386) 2006-09-26 10:52:38 +02:00
scx200.c Remove obsolete #include <linux/config.h> 2006-06-30 19:25:36 +02:00
setup.c [PATCH] Dynamic kernel command-line: i386 2007-02-12 09:48:38 -08:00
sigframe.h [PATCH] __user annotations for pointers in i386 sigframe 2005-09-09 10:31:59 -07:00
signal.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
smp.c Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 2006-12-07 08:59:11 -08:00
smpboot.c [PATCH] x86: fix PDA variables to work during boot 2007-01-22 19:39:36 -08:00
srat.c ACPI: build fix for IBM x440 - CONFIG_X86_SUMMIT 2007-02-02 21:47:33 -05:00
summit.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
sys_i386.c [PATCH] provide kernel_execve on all architectures 2006-10-02 07:57:23 -07:00
syscall_table.S [PATCH] epoll_pwait() 2006-10-11 11:14:21 -07:00
sysenter.c [PATCH] i386 vDSO: use install_special_mapping 2007-02-09 09:25:47 -08:00
time.c [PATCH] paravirt: header and stubs for paravirtualisation 2006-12-07 02:14:07 +01:00
time_hpet.c [PATCH] i386: Add iounmap in error paths in hpet code 2006-12-07 02:14:02 +01:00
topology.c [PATCH] i386: change the 'no_control' field to 'hotpluggable' in the struct cpu 2006-12-07 02:14:10 +01:00
trampoline.S [PATCH] i386: fix modpost warning in SMP trampoline code 2007-01-05 23:55:23 -08:00
traps.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
tsc.c [PATCH] i386: sched_clock using init data tsc_disable fix 2007-01-11 18:18:20 -08:00
vm86.c [PATCH] i386: Convert i386 PDA code to use %fs 2007-02-13 13:26:20 +01:00
vmlinux.lds.S [PATCH] disable init/initramfs.c: architectures 2007-02-11 10:51:25 -08:00
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 [PATCH] Mark unwind info for signal trampolines in vDSOs 2006-03-31 12:18:52 -08:00
vsyscall-sysenter.S [PATCH] vdso: randomize the i386 vDSO by moving it into a vma 2006-06-27 17:32:38 -07:00
vsyscall.S Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
vsyscall.lds.S [PATCH] vDSO hash-style fix 2006-07-31 13:28:43 -07:00