linux-kernel - Re: [PATCH 00/14] alpha: cleanups for 6.10

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Message-ID: <alpine.DEB.2.21.2411191511110.10887@angie.orcam.me.uk>
Date: Tue, 19 Nov 2024 17:54:00 +0000 (GMT)
From: "Maciej W. Rozycki" <macro@...am.me.uk>
To: Linus Torvalds <torvalds@...ux-foundation.org>
cc: "Paul E. McKenney" <paulmck@...nel.org>, 
    John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>, 
    Arnd Bergmann <arnd@...nel.org>, linux-alpha@...r.kernel.org, 
    Arnd Bergmann <arnd@...db.de>, 
    Richard Henderson <richard.henderson@...aro.org>, 
    Ivan Kokshaysky <ink@...assic.park.msu.ru>, 
    Matt Turner <mattst88@...il.com>, Alexander Viro <viro@...iv.linux.org.uk>, 
    Marc Zyngier <maz@...nel.org>, linux-kernel@...r.kernel.org, 
    Michael Cree <mcree@...on.net.nz>, Frank Scheiner <frank.scheiner@....de>
Subject: Re: [PATCH 00/14] alpha: cleanups for 6.10

On Tue, 2 Jul 2024, Maciej W. Rozycki wrote:

> > >  Anyway, back to my point.  A feasible solution non-intrusive for Linux
> > > and low-overhead for GCC has been found.  I can expedite implementation
> > > and I'll see if I can regression-test it too, but I may have to rely on
> > > other people to complete it after all, as I haven't been prepared for this
> > > effort in the light of certain issues I have recently suffered from in my
> > > lab.
> > 
> > Yeah, if compiler support makes us not have to care, then I don't
> > think the difference between pre-BWX and BWX is going to matter much
> > for the kernel.
> > 
> > The real pain with alpha has been that it's special enough that it
> > affects non-alpha code, and BWX was one big piece of that.
> 
>  Understood, that's burden beyond justification for an obsolete legacy 
> platform.

 FTR a proposed implementation of the solution is now discussed here:
<https://inbox.sourceware.org/gcc-patches/alpine.DEB.2.21.2411141652300.9262@angie.orcam.me.uk/>.

  Maciej