Re: [PATCH rcu 15/18] torture: Add init-program support for loongarch

From: Paul E. McKenney
Date: Tue Jul 18 2023 - 14:41:55 EST


On Tue, Jul 18, 2023 at 10:56:06AM +0800, Feiyang Chen wrote:
> On Tue, Jul 18, 2023 at 2:23 AM Paul E. McKenney <paulmck@xxxxxxxxxx> wrote:
> >
> > This commit adds the __loongarch__, __loongarch_lp64, and
> > __loongarch_double_float targets to rcutorture's mkinitrd.sh
> > script in order to allow nolibc init programs for loongarch.
> >
> > Cc: Feiyang Chen <chenfeiyang@xxxxxxxxxxx>
> > Cc: Huacai Chen <chenhuacai@xxxxxxxxxxx>
> > Cc: Willy Tarreau <w@xxxxxx>
> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> > ---
> > tools/testing/selftests/rcutorture/bin/mkinitrd.sh | 3 ++-
> > 1 file changed, 2 insertions(+), 1 deletion(-)
> >
> > diff --git a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
> > index 3af3a86a0091..e7e23615dbe3 100755
> > --- a/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
> > +++ b/tools/testing/selftests/rcutorture/bin/mkinitrd.sh
> > @@ -63,7 +63,8 @@ ___EOF___
> > # build using nolibc on supported archs (smaller executable) and fall
> > # back to regular glibc on other ones.
> > if echo -e "#if __x86_64__||__i386__||__i486__||__i586__||__i686__" \
> > - "||__ARM_EABI__||__aarch64__||__s390x__\nyes\n#endif" \
> > + "||__ARM_EABI__||__aarch64__||__s390x__"\
> > + "||__loongarch__||__loongarch_lp64||__loongarch_double_float\nyes\n#endif" \
>
> Hi, Paul,
>
> Thank you for the patch, but I believe adding only the __loongarch__
> should be sufficient.

Very well, I will remove the others on my next rebase with attribution.

And thank you for looking this over! Especially as I have no way
to test it. ;-)

Thanx, Paul

> Thanks,
> Feiyang
>
> > | ${CROSS_COMPILE}gcc -E -nostdlib -xc - \
> > | grep -q '^yes'; then
> > # architecture supported by nolibc
> > --
> > 2.40.1