The patch titled
lguest: handle new paravirt lazy mode (fix userspace segfaults)
has been added to the -mm tree. Its filename is
lguest-the-guest-code-handle-new-paravirt-lazy-mode-fix-userspace.patch
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: lguest: handle new paravirt lazy mode (fix userspace segfaults)
From: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
There's a new paravirt_lazy_mode mode in town.
Well, it's spelled "mode", but it's pronounced "hack".
Signed-off-by: Rusty Russell <rusty@xxxxxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/lguest/lguest.c | 8 ++++++--
1 files changed, 6 insertions(+), 2 deletions(-)
diff -puN drivers/lguest/lguest.c~lguest-the-guest-code-handle-new-paravirt-lazy-mode-fix-userspace drivers/lguest/lguest.c
--- a/drivers/lguest/lguest.c~lguest-the-guest-code-handle-new-paravirt-lazy-mode-fix-userspace
+++ a/drivers/lguest/lguest.c
@@ -58,9 +58,13 @@ static __initdata const struct lguest_bo
static enum paravirt_lazy_mode lazy_mode;
static void lguest_lazy_mode(enum paravirt_lazy_mode mode)
{
- lazy_mode = mode;
- if (mode == PARAVIRT_LAZY_NONE)
+ if (mode == PARAVIRT_LAZY_FLUSH)
hcall(LHCALL_FLUSH_ASYNC, 0, 0, 0);
+ else {
+ lazy_mode = mode;
+ if (mode == PARAVIRT_LAZY_NONE)
+ hcall(LHCALL_FLUSH_ASYNC, 0, 0, 0);
+ }
}
static void lazy_hcall(unsigned long call,
_
Patches currently in -mm which might be from rusty@xxxxxxxxxxxxxxx are
origin.patch
extend-print_symbol-capability.patch
git-kbuild.patch
xfs-clean-up-shrinker-games.patch
mm-clean-up-and-kernelify-shrinker-registration.patch
array_size-check-for-type.patch
module-use-krealloc.patch
futex-restartable-futex_wait.patch
add-ability-to-keep-track-of-callers-of-symbol_getput.patch
update-mtd-use-of-symbol_getput.patch
update-dvb-use-of-symbol_getput.patch
simplify-module_get_kallsym-by-dropping-length-arg.patch
fix-race-between-rmmod-and-cat-proc-kallsyms.patch
simplify-kallsyms_lookup.patch
fix-race-between-cat-proc-wchan-and-rmmod-et-al.patch
fix-race-between-cat-proc-slab_allocators-and-rmmod.patch
____call_usermodehelper-dont-flush_signals.patch
wait_for_helper-remove-unneeded-do_sigaction.patch
futex-new-private-futexes.patch
lguest-the-guest-code.patch
lguest-vs-x86_64-mm-use-per-cpu-variables-for-gdt-pda.patch
lguest-the-guest-code-update-lguests-patch-code-for-new-paravirt-patch.patch
lguest-the-guest-code-handle-new-paravirt-lazy-mode-fix-userspace.patch
lguest-the-host-code.patch
lguest-the-host-code-vs-x86_64-mm-i386-separate-hardware-defined-tss-from-linux-additions.patch
lguest-the-host-code-fix-lguest-oops-when-guest-dies-while-receiving-i-o.patch
lguest-the-host-code-simplification-dont-pin-guest-trap-handlers.patch
lguest-the-asm-offsets.patch
lguest-the-makefile-and-kconfig.patch
lguest-the-console-driver.patch
lguest-the-net-driver.patch
lguest-the-block-driver.patch
lguest-the-documentation-example-launcher.patch
lguest-the-documentation-example-launcher-fix-lguest-documentation-error.patch
lguest-the-host-code-vs-futex-new-private-futexes.patch
mm-clean-up-and-kernelify-shrinker-registration-reiser4.patch
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