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Date:   Fri, 02 Jun 2023 10:00:17 -0700
From:   "H. Peter Anvin" <hpa@zytor.com>
To:     Peter Zijlstra <peterz@infradead.org>,
        Linus Torvalds <torvalds@linux-foundation.org>
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Subject: =?US-ASCII?Q?Re=3A_=5BPATCH_v2_07/12=5D_parisc/percpu=3A_Wo?= =?US-ASCII?Q?rk_around_the_lack_of_=5F=5FSIZEOF=5FINT128=5F=5F?=
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On June 2, 2023 7:39:12 AM PDT, Peter Zijlstra <peterz@infradead=2Eorg> wro=
te:
>On Thu, Jun 01, 2023 at 09:29:18AM -0400, Linus Torvalds wrote:
>
>> Right now we have that "minimum gcc version" in a somewhat annoying
>> place: it's in the =2E/scripts/min-tool-version=2Esh file as a shell
>> script=2E
>
>Something like so then?
>
>---
>Subject: parisc: Raise minimal GCC version
>From: Peter Zijlstra <peterz@infradead=2Eorg>
>Date: Fri Jun  2 16:33:54 CEST 2023
>
>With 64bit builds depending on __SIZEOF_INT128__ raise the parisc
>minimum compiler version to gcc-11=2E0=2E0=2E
>
>All other 64bit architectures provide this from GCC-5=2E1=2E0 (and
>probably before), except hppa64 which only started advertising this
>with GCC-11=2E
>
>Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead=2Eorg>
>---
> scripts/min-tool-version=2Esh |    6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
>--- a/scripts/min-tool-version=2Esh
>+++ b/scripts/min-tool-version=2Esh
>@@ -17,7 +17,11 @@ binutils)
> 	echo 2=2E25=2E0
> 	;;
> gcc)
>-	echo 5=2E1=2E0
>+	if [ "$SRCARCH" =3D parisc ]; then
>+		echo 11=2E0=2E0
>+	else
>+		echo 5=2E1=2E0
>+	fi
> 	;;
> llvm)
> 	if [ "$SRCARCH" =3D s390 ]; then

Dumb question: is this only about the cpp macro or is it about __int128 ex=
isting at all?