On Tue, 23 Nov 2021 18:15:20 +1000, Russell Currey wrote:
> Livepatching a loaded module involves applying relocations through
> apply_relocate_add(), which attempts to write to read-only memory when
> CONFIG_STRICT_MODULE_RWX=y. Work around this by performing these
> writes through the text poke
On 12/9/21 2:00 AM, Michael Ellerman wrote:
> Russell Currey writes:
>> On Tue, 2021-12-07 at 09:44 -0500, Joe Lawrence wrote:
>>> On 11/23/21 3:15 AM, Russell Currey wrote:
>>>
>>> [[ cc += livepatching list ]]
>>>
>>> Hi Russell,
>>>
>>> Thanks for writing a minimal fix for stable / backporting.
Russell Currey writes:
> On Tue, 2021-12-07 at 09:44 -0500, Joe Lawrence wrote:
>> On 11/23/21 3:15 AM, Russell Currey wrote:
>>
>> [[ cc += livepatching list ]]
>>
>> Hi Russell,
>>
>> Thanks for writing a minimal fix for stable / backporting. As I
>> mentioned on the github issue [1], this a
On Tue, 2021-12-07 at 09:44 -0500, Joe Lawrence wrote:
> On 11/23/21 3:15 AM, Russell Currey wrote:
>
> [[ cc += livepatching list ]]
>
> Hi Russell,
>
> Thanks for writing a minimal fix for stable / backporting. As I
> mentioned on the github issue [1], this avoided the crashes I
> reported
>
On 11/23/21 3:15 AM, Russell Currey wrote:
> Livepatching a loaded module involves applying relocations through
> apply_relocate_add(), which attempts to write to read-only memory when
> CONFIG_STRICT_MODULE_RWX=y. Work around this by performing these
> writes through the text poke area by using p
Livepatching a loaded module involves applying relocations through
apply_relocate_add(), which attempts to write to read-only memory when
CONFIG_STRICT_MODULE_RWX=y. Work around this by performing these
writes through the text poke area by using patch_instruction().
R_PPC_REL24 is the only reloca
