On Wed, 14 Jan 2015, Masami Hiramatsu wrote:
> > diff --git a/arch/x86/include/asm/ftrace.h b/arch/x86/include/asm/ftrace.h
> > index f45acad..29fa417 100644
> > --- a/arch/x86/include/asm/ftrace.h
> > +++ b/arch/x86/include/asm/ftrace.h
> > @@ -4,8 +4,10 @@
> > #ifdef CONFIG_FUNCTION_TRACER
> >
(2015/01/14 7:47), Jiri Kosina wrote:
> On Mon, 12 Jan 2015, Masami Hiramatsu wrote:
>
>>> In any case, Masami, I really think you would like to do something
>>> like that for IPMODIFY as well ... or are you deliberately defering
>>> the responsibility to handle the possible mcount fallout to th
On Tue, 13 Jan 2015 23:47:57 +0100 (CET)
Jiri Kosina wrote:
> From: Jiri Kosina
> Subject: [PATCH] ftrace: don't allow IPMODIFY without proper compiler
> support
>
> Using IPMODIFY needs to be allowed only with compilers which are
> guaranteed to generate function prologues compatible with func
On Mon, 12 Jan 2015, Masami Hiramatsu wrote:
> > In any case, Masami, I really think you would like to do something
> > like that for IPMODIFY as well ... or are you deliberately defering
> > the responsibility to handle the possible mcount fallout to the
> > ftrace_ops owner?
>
> Ah, good poi
(2015/01/08 9:11), Jiri Kosina wrote:
> On Wed, 7 Jan 2015, Andrew Morton wrote:
>
>>> --- a/kernel/livepatch/core.c
>>> +++ b/kernel/livepatch/core.c
>>> @@ -911,6 +911,12 @@ static int klp_init(void)
>>> {
>>> int ret;
>>>
>>> + ret = klp_check_compiler_support();
>>> + if (ret) {
>>>
On Wed, 7 Jan 2015, Andrew Morton wrote:
> > --- a/kernel/livepatch/core.c
> > +++ b/kernel/livepatch/core.c
> > @@ -911,6 +911,12 @@ static int klp_init(void)
> > {
> > int ret;
> >
> > + ret = klp_check_compiler_support();
> > + if (ret) {
> > + pr_info("Your compiler is too
On Thursday, January 08, 2015 9:34 AM, Andrew Morton wrote:
> On Thu, 8 Jan 2015 01:11:03 +0100 (CET) Jiri Kosina wrote:
>
> > On Wed, 7 Jan 2015, Andrew Morton wrote:
> >
> > > > --- a/kernel/livepatch/core.c
> > > > +++ b/kernel/livepatch/core.c
> > > > @@ -911,6 +911,12 @@ static int klp_init(
On Thu, 8 Jan 2015 01:11:03 +0100 (CET) Jiri Kosina wrote:
> On Wed, 7 Jan 2015, Andrew Morton wrote:
>
> > > --- a/kernel/livepatch/core.c
> > > +++ b/kernel/livepatch/core.c
> > > @@ -911,6 +911,12 @@ static int klp_init(void)
> > > {
> > > int ret;
> > >
> > > + ret = klp_check_compiler_
On Wed, 7 Jan 2015, Andrew Morton wrote:
> > --- a/kernel/livepatch/core.c
> > +++ b/kernel/livepatch/core.c
> > @@ -911,6 +911,12 @@ static int klp_init(void)
> > {
> > int ret;
> >
> > + ret = klp_check_compiler_support();
> > + if (ret) {
> > + pr_info("Your compiler is too
On Thu, 8 Jan 2015 00:49:49 +0100 (CET) Jiri Kosina wrote:
> --- a/kernel/livepatch/core.c
> +++ b/kernel/livepatch/core.c
> @@ -911,6 +911,12 @@ static int klp_init(void)
> {
> int ret;
>
> + ret = klp_check_compiler_support();
> + if (ret) {
> + pr_info("Your compil
On Wed, 7 Jan 2015, Andrew Morton wrote:
> Please find a way to fix it. Copying CONFIG_CC_STACKPROTECTOR is one way.
Hmm ... is that actually really a good example?
I think it will warn (explicitly from the top-level Makefile so that you
are aware why the things that will follow are happening
On Thu, 8 Jan 2015 00:01:02 +0100 (CET) Jiri Kosina wrote:
> On Wed, 7 Jan 2015, Andrew Morton wrote:
>
> > > OK, I have added this from today
> >
> > My x86_64 allmodconfig broke.
> >
> > In file included from include/linux/livepatch.h:29,
> > from kernel/livepatch/core.c:30:
On Wed, 7 Jan 2015, Andrew Morton wrote:
> > OK, I have added this from today
>
> My x86_64 allmodconfig broke.
>
> In file included from include/linux/livepatch.h:29,
> from kernel/livepatch/core.c:30:
> ./arch/x86/include/asm/livepatch.h:29:2: error: #error Your compiler must
On Fri, 26 Dec 2014 15:56:13 +1100 Stephen Rothwell
wrote:
> OK, I have added this from today
My x86_64 allmodconfig broke.
In file included from include/linux/livepatch.h:29,
from kernel/livepatch/core.c:30:
./arch/x86/include/asm/livepatch.h:29:2: error: #error Your compiler
Hi Jiri,
On Tue, 23 Dec 2014 09:10:56 -0600 Josh Poimboeuf wrote:
>
> On Tue, Dec 23, 2014 at 01:46:07AM -0800, Christoph Hellwig wrote:
> > On Mon, Dec 22, 2014 at 08:52:02PM +0100, Jiri Kosina wrote:
> > >
> > > a substantial amount of work has been invested into abstracing "Live
> > > Patchi
On Tue, Dec 23, 2014 at 01:46:07AM -0800, Christoph Hellwig wrote:
> On Mon, Dec 22, 2014 at 08:52:02PM +0100, Jiri Kosina wrote:
> > Hi Stephen,
> >
> > a substantial amount of work has been invested into abstracing "Live
> > Patching" core functionality out of the already existing implementatio
On Mon, Dec 22, 2014 at 08:52:02PM +0100, Jiri Kosina wrote:
> Hi Stephen,
>
> a substantial amount of work has been invested into abstracing "Live
> Patching" core functionality out of the already existing implementations,
> so that further improvements can be built on top of it in incremental
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