On Tue, 22 Oct 2019 22:24:01 +0200
Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 10:21:10PM -0400, Steven Rostedt wrote:
> > On Fri, 18 Oct 2019 09:35:40 +0200
> > Peter Zijlstra wrote:
> >
> > > Now that set_all_modules_text_*() is gone, nothing depends on the
> > > relation between
On Wed, Oct 23, 2019 at 05:16:54PM +0200, Peter Zijlstra wrote:
> @@ -157,6 +158,14 @@ static int __apply_relocate_add(Elf64_Sh
>
> val = sym->st_value + rel[i].r_addend;
>
> + /*
> + * .klp.rela.* sections should only contain module
> + *
On Wed, Oct 23, 2019 at 01:48:35PM +0200, Peter Zijlstra wrote:
> Now sadly that commit missed all the useful information, luckily I could
> find the patch in my LKML folder, more sad, that thread still didn't
> contain the actual useful information, for that I was directed to
> github:
>
>
On Wed, Oct 23, 2019 at 01:48:35PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
> > On Mon, Oct 21, 2019 at 08:53:12AM -0500, Josh Poimboeuf wrote:
>
> > > Doesn't livepatch code also need to be modified? We have:
> >
> > Urgh bah.. I was too
On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 08:53:12AM -0500, Josh Poimboeuf wrote:
> > Doesn't livepatch code also need to be modified? We have:
>
> Urgh bah.. I was too focussed on the other klp borkage :/ But yes,
> arm64/ftrace and klp are the
On Tue, Oct 22, 2019 at 04:40:23PM -0400, Steven Rostedt wrote:
> On Tue, 22 Oct 2019 22:24:01 +0200
> Peter Zijlstra wrote:
> > I'm not particularly proud of the "__function__" hack, but it works :/ I
>
> If anything, that should be defined as a macro:
>
> #define TRACE_EVENT_FIELD_SPECIAL
On Tue, 22 Oct 2019 22:24:01 +0200
Peter Zijlstra wrote:
> The below seems to cure it; and seems to generate identical
> events/*/format output (for my .config, with the exception of ID).
>
> It has just one section mismatch report that I'm too tired to look at
> just now.
Thanks, I'll try to
On Mon, Oct 21, 2019 at 10:21:10PM -0400, Steven Rostedt wrote:
> On Fri, 18 Oct 2019 09:35:40 +0200
> Peter Zijlstra wrote:
>
> > Now that set_all_modules_text_*() is gone, nothing depends on the
> > relation between ->state = COMING and the protection state anymore.
> > This enables moving the
On Tue, Oct 22, 2019 at 01:31:16PM +0200, Heiko Carstens wrote:
> On Mon, Oct 21, 2019 at 06:11:35PM +0200, Peter Zijlstra wrote:
> > On Mon, Oct 21, 2019 at 05:34:25PM +0200, Peter Zijlstra wrote:
> > > On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
> >
> > > So On IRC Josh
On Mon, Oct 21, 2019 at 06:11:35PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 05:34:25PM +0200, Peter Zijlstra wrote:
> > On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
>
> > So On IRC Josh suggested we use text_poke() for RELA. Since KLP is only
> > available on
On Fri, 18 Oct 2019 09:35:40 +0200
Peter Zijlstra wrote:
> Now that set_all_modules_text_*() is gone, nothing depends on the
> relation between ->state = COMING and the protection state anymore.
> This enables moving the protection changes later, such that the COMING
> notifier callbacks can
On Mon, Oct 21, 2019 at 05:34:25PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
> So On IRC Josh suggested we use text_poke() for RELA. Since KLP is only
> available on Power and x86, and Power does not have STRICT_MODULE_RWX,
> the below should
On Mon, Oct 21, 2019 at 05:34:25PM +0200, Peter Zijlstra wrote:
> So On IRC Josh suggested we use text_poke() for RELA. Since KLP is only
> available on Power and x86, and Power does not have STRICT_MODULE_RWX,
> the below should be sufficient.
And... s390 also has HAVE_LIVEPATCH and
On Mon, Oct 21, 2019 at 04:14:02PM +0200, Peter Zijlstra wrote:
> On Mon, Oct 21, 2019 at 08:53:12AM -0500, Josh Poimboeuf wrote:
> > On Fri, Oct 18, 2019 at 09:35:40AM +0200, Peter Zijlstra wrote:
> > > Now that set_all_modules_text_*() is gone, nothing depends on the
> > > relation between
On Mon, Oct 21, 2019 at 08:53:12AM -0500, Josh Poimboeuf wrote:
> On Fri, Oct 18, 2019 at 09:35:40AM +0200, Peter Zijlstra wrote:
> > Now that set_all_modules_text_*() is gone, nothing depends on the
> > relation between ->state = COMING and the protection state anymore.
> > This enables moving
On Fri, Oct 18, 2019 at 09:35:40AM +0200, Peter Zijlstra wrote:
> Now that set_all_modules_text_*() is gone, nothing depends on the
> relation between ->state = COMING and the protection state anymore.
> This enables moving the protection changes later, such that the COMING
> notifier callbacks
Now that set_all_modules_text_*() is gone, nothing depends on the
relation between ->state = COMING and the protection state anymore.
This enables moving the protection changes later, such that the COMING
notifier callbacks can more easily modify the text.
Signed-off-by: Peter Zijlstra (Intel)
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