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Rusty Russell 139ec7c416 [PATCH] paravirt: Patch inline replacements for paravirt intercepts 
It turns out that the most called ops, by several orders of magnitude,
are the interrupt manipulation ops.  These are obvious candidates for
patching, so mark them up and create infrastructure for it.

The method used is that the ops structure has a patch function, which
is called for each place which needs to be patched: this returns a
number of instructions (the rest are NOP-padded).

Usually we can spare a register (%eax) for the binary patched code to
use, but in a couple of critical places in entry.S we can't: we make
the clobbers explicit at the call site, and manually clobber the
allowed registers in debug mode as an extra check.

And:

Don't abuse CONFIG_DEBUG_KERNEL, add CONFIG_DEBUG_PARAVIRT.

And:

AK:  Fix warnings in x86-64 alternative.c build

And:

AK: Fix compilation with defconfig

And:

^From: Andrew Morton <akpm@osdl.org>

Some binutlises still like to emit references to __stop_parainstructions and
__start_parainstructions.

And:

AK: Fix warnings about unused variables when PARAVIRT is disabled.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Jeremy Fitzhardinge <jeremy@xensource.com>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
Signed-off-by: Zachary Amsden <zach@vmware.com>
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
2006-12-07 02:14:08 +01:00
..
boot [PATCH] paravirt: header and stubs for paravirtualisation 2006-12-07 02:14:07 +01:00
crypto [CRYPTO] api: Get rid of flags argument to setkey 2006-09-21 11:41:02 +10:00
kernel [PATCH] paravirt: Patch inline replacements for paravirt intercepts 2006-12-07 02:14:08 +01:00
lib [PATCH] separate bdi congestion functions from queue congestion functions 2006-10-20 10:26:35 -07:00
mach-default
mach-es7000
mach-generic [PATCH] i386: Replace i386 open-coded cmdline parsing with 2006-09-26 10:52:32 +02:00
mach-visws [PATCH] visws build fix 2006-10-28 11:30:52 -07:00
mach-voyager [PATCH] i386: Initialize the per-CPU data area 2006-12-07 02:14:02 +01:00
math-emu [PATCH] i386: fix must_checks 2006-12-07 02:14:00 +01:00
mm [PATCH] i386: substitute __va lookup with pfn_to_kaddr 2006-12-07 02:14:07 +01:00
oprofile [PATCH] oprofile: ppro: need to enable/disable all the counters 2006-09-29 09:18:11 -07:00
pci [PATCH] x86: remove last two pci_find offenders in the core code 2006-12-07 02:14:03 +01:00
power [PATCH] paravirt: header and stubs for paravirtualisation 2006-12-07 02:14:07 +01:00
defconfig [PATCH] i386: Update defconfig 2006-12-07 02:14:00 +01:00
Kconfig [PATCH] paravirt: header and stubs for paravirtualisation 2006-12-07 02:14:07 +01:00
Kconfig.cpu [PATCH] uml: fix processor selection to exclude unsupported processors and features 2006-10-11 11:14:20 -07:00
Kconfig.debug [PATCH] paravirt: Patch inline replacements for paravirt intercepts 2006-12-07 02:14:08 +01:00
Makefile [PATCH] i386: Relocatable kernel support 2006-12-07 02:14:04 +01:00
Makefile.cpu