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Andi Kleen ab144f5ec6 i386: Make patching more robust, fix paravirt issue ... Commit 19d36ccdc3 "x86: Fix alternatives and kprobes to remap write-protected kernel text" uses code which is being patched for patching. In particular, paravirt_ops does patching in two stages: first it calls paravirt_ops.patch, then it fills any remaining instructions with nop_out(). nop_out calls text_poke() which calls lookup_address() which calls pgd_val() (aka paravirt_ops.pgd_val): that call site is one of the places we patch. If we always do patching as one single call to text_poke(), we only need make sure we're not patching the memcpy in text_poke itself. This means the prototype to paravirt_ops.patch needs to change, to marshal the new code into a buffer rather than patching in place as it does now. It also means all patching goes through text_poke(), which is known to be safe (apply_alternatives is also changed to make a single patch). AK: fix compilation on x86-64 (bad rusty!) AK: fix boot on x86-64 (sigh) AK: merged with other patches Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andi Kleen <ak@suse.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		18 years ago
..
Kconfig	…
Makefile	…
enlighten.c	i386: Make patching more robust, fix paravirt issue	18 years ago
events.c	arch/i386/xen/events.c should #include <asm/xen/hypervisor.h>	18 years ago
features.c	…
manage.c	…
mmu.c	…
mmu.h	…
multicalls.c	…
multicalls.h	…
setup.c	xen: disable vdso "nosegneg" on native boot	18 years ago
smp.c	…
time.c	clockevents: fix resume logic	18 years ago
vdso.h	xen: disable vdso "nosegneg" on native boot	18 years ago
xen-asm.S	xen: use iret directly when possible	18 years ago
xen-head.S	x86_64: Fix xen section warnings	18 years ago
xen-ops.h	xen: use iret directly when possible	18 years ago