Re: [PATCH] CI: Add gnu grep to alpine containers

[Andrew Cooper <amc96@xxxxxxxx>]

On 18/02/2022 16:28, Stefano Stabellini wrote:
> On Fri, 18 Feb 2022, Anthony PERARD wrote:
>> On Fri, Feb 18, 2022 at 01:17:40PM +0000, Andrew Cooper wrote:
>>> A forthcoming change is going to want more support than busybox's grep can
>>> provide.
>>>
>>> Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
>>> ---
>>> CC: Doug Goldstein <cardoe@xxxxxxxxxx>
>>> CC: Wei Liu <wl@xxxxxxx>
>>> CC: Anthony PERARD <anthony.perard@xxxxxxxxxx>
>>> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx>
>>> CC: Stefano Stabellini <sstabellini@xxxxxxxxxx>
>>> CC: Jan Beulich <JBeulich@xxxxxxxx>
>>>
>>> I've already rebuilt the containers and confirmed that the build is still 
>>> fine.
>> Reviewed-by: Anthony PERARD <anthony.perard@xxxxxxxxxx>
> Good for me too. Out of curiousity, what is that is not working with
> busybox's grep? Is it regex?

No.  Binary searching, which we want to use in a build-time check for
CET-IBT.

https://lore.kernel.org/xen-devel/8c6d9714-7e45-1603-a5ad-d49fc060304e@xxxxxxxx/

~Andrew