On Fri, 3 May 2019, Joe Lawrence wrote:
> On Tue, Apr 16, 2019 at 01:37:13PM +0200, Miroslav Benes wrote:
> >
> > [ ... snip ... ]
> >
> > Quick look, but it seems quite similar to the problem we had with
> > apply_alternatives(). See arch/x86/kernel/livepatch.c and the commit which
> >
On Tue, Apr 16, 2019 at 01:37:13PM +0200, Miroslav Benes wrote:
>
> [ ... snip ... ]
>
> Quick look, but it seems quite similar to the problem we had with
> apply_alternatives(). See arch/x86/kernel/livepatch.c and the commit which
> introduced it.
That was an interesting diversion :) I think I
On 4/24/19 3:13 PM, Joao Moreira wrote:
Future Work
---
I don't see an easy way to support multiple homonym
symbols with unique values in the current livepatch module
Elf format. The only solutions that come to mind right now include
renaming homonym symbols somehow to retain the
On Wed, Apr 24, 2019 at 04:13:59PM -0300, Joao Moreira wrote:
> > > Future Work
> > > ---
> > >
> > > I don't see an easy way to support multiple homonym
> > > symbols with unique values in the current livepatch module
> > > Elf format. The only solutions that come to mind right now
On 4/24/19 3:19 PM, Miroslav Benes wrote:
[...]
Result: a small tweak to sympos_sanity_check() to relax its symbol
uniqueness verification: allow for duplicate
instances. Now it will only complain when a supplied symbol references
the same but a different .
diff --git
[...]
> Result: a small tweak to sympos_sanity_check() to relax its symbol
> uniqueness verification: allow for duplicate
> instances. Now it will only complain when a supplied symbol references
> the same but a different .
>
> diff --git a/scripts/livepatch/klp-convert.c
On Wed, Apr 10, 2019 at 11:50:49AM -0400, Joe Lawrence wrote:
>
> [ ... snip ... ]
>
> TODO
>
>
> There are a few outstanding items that I came across while reviewing v2,
> but as changes started accumulating, it made sense to defer those to a
> later version. I'll reply to this thread
On Tue, 16 Apr 2019, Joe Lawrence wrote:
> On 4/10/19 11:50 AM, Joe Lawrence wrote:
> > Hi folks,
> >
> > This is the third installment of the klp-convert tool for generating and
> > processing livepatch symbols for livepatch module builds. For those
> > following along at home, archive links
On 4/10/19 11:50 AM, Joe Lawrence wrote:
Hi folks,
This is the third installment of the klp-convert tool for generating and
processing livepatch symbols for livepatch module builds. For those
following along at home, archive links to previous versions:
RFC:
On 4/16/19 1:24 AM, Balbir Singh wrote:
Could we get some details with examples or a sample, sorry I might be dense
and missing simple information. The problem being solved is not clear to
me from the changelog.
Hi Balbir,
I see that Miroslav has already pointed to documentation, samples
[...]
> Current behavior
>
>
> Not good. The livepatch successfully builds but crashes on load:
>
> % insmod lib/livepatch/test_klp_static_keys_mod.ko
> % insmod lib/livepatch/test_klp_static_keys.ko
>
> BUG: unable to handle kernel NULL pointer dereference at
On Tue, 16 Apr 2019, Balbir Singh wrote:
> On Wed, Apr 10, 2019 at 11:50:49AM -0400, Joe Lawrence wrote:
> > Hi folks,
> >
> > This is the third installment of the klp-convert tool for generating and
> > processing livepatch symbols for livepatch module builds. For those
> > following along at
On Wed, Apr 10, 2019 at 11:50:49AM -0400, Joe Lawrence wrote:
> Hi folks,
>
> This is the third installment of the klp-convert tool for generating and
> processing livepatch symbols for livepatch module builds. For those
> following along at home, archive links to previous versions:
>
> RFC:
>
On Wed, Apr 10, 2019 at 11:50:49AM -0400, Joe Lawrence wrote:
> Hi folks,
>
> This is the third installment of the klp-convert tool for generating and
> processing livepatch symbols for livepatch module builds. For those
> following along at home, archive links to previous versions:
>
> RFC:
>
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