From: Michael Ellerman <mpe@ellerman•id.au>
To: Linus Torvalds <torvalds@linux-foundation•org>
Cc: wangborong@cdjrlc•com, Bhaskar Chowdhury <unixbhaskar@gmail•com>,
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Subject: Re: [GIT PULL] Please pull powerpc/linux.git powerpc-5.18-1 tag
Date: Mon, 28 Mar 2022 20:07:13 +1100 [thread overview]
Message-ID: <87wngefnsu.fsf@mpe.ellerman.id.au> (raw)
In-Reply-To: <CAHk-=whk4jihDM+zkhZPYRyNO0-YA1_-K9_NyC3EDsX+gkxC-w@mail.gmail.com>
Linus Torvalds <torvalds@linux-foundation•org> writes:
> On Fri, Mar 25, 2022 at 3:25 AM Michael Ellerman <mpe@ellerman•id.au> wrote:
>>
>> Livepatch support for 32-bit is probably the standout new feature, otherwise mostly just
>> lots of bits and pieces all over the board.
>
> Heh. I would have expected 32-bit ppc to be entirely legacy by now, so
> it's a bit surprising to see that being a standout feature.
We still get the odd bug report from people running mainline, or recent
stable kernels, on 32-bit.
And obviously Christophe has been doing lots of work on the Linux side,
so in that sense 32-bit is alive and well.
Having said that I don't think we'll see any new 32-bit CPU designs, so
the clock is slowly ticking.
> That said:
>
>> There's a series of commits cleaning up function descriptor handling,
>
> For some reason I also thought that powerpc had actually moved away
> from function descriptors, so I'm clearly not keeping up with the
> times.
No you're right, we have moved away from them, but not entirely.
Functions descriptors are still used for 64-bit big endian, but they're
not used for 64-bit little endian, or 32-bit.
cheers
next prev parent reply other threads:[~2022-03-28 9:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-25 10:25 [GIT PULL] Please pull powerpc/linux.git powerpc-5.18-1 tag Michael Ellerman
2022-03-25 16:49 ` Linus Torvalds
2022-03-28 9:07 ` Michael Ellerman [this message]
2022-03-30 11:27 ` Michal Suchánek
2022-03-30 13:21 ` Michael Ellerman
2022-03-30 13:44 ` Arnd Bergmann
2022-03-30 17:07 ` Segher Boessenkool
2022-03-25 17:18 ` pr-tracker-bot
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