Hi, Sasha, I think this patch shouldn't be backported, because rseq.h only exists in 68+. Huacai On Sun, Jan 21, 2024 at 8:24 AM Sasha Levin <sashal@xxxxxxxxxx> wrote: > > This is a note to let you know that I've just added the patch titled > > LoongArch: signal.c: add header file to fix build error > > to the 6.7-stable tree which can be found at: > http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary > > The filename of the patch is: > loongarch-signal.c-add-header-file-to-fix-build-erro.patch > and it can be found in the queue-6.7 subdirectory. > > If you, or anyone else, feels it should not be added to the stable tree, > please let <stable@xxxxxxxxxxxxxxx> know about it. > > > > commit bfd5cedadc2427268ee7b39829c347c5e4418947 > Author: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Date: Thu Dec 21 20:58:25 2023 -0800 > > LoongArch: signal.c: add header file to fix build error > > [ Upstream commit c968b99f868dd82ebcafec9788ce18334da177b6 ] > > loongarch's signal.c uses rseq_signal_deliver() so it should > pull in the appropriate header to prevent a build error: > > ../arch/loongarch/kernel/signal.c: In function 'handle_signal': > ../arch/loongarch/kernel/signal.c:1034:9: error: implicit declaration of function 'rseq_signal_deliver' [-Werror=implicit-function-declaration] > 1034 | rseq_signal_deliver(ksig, regs); > | ^~~~~~~~~~~~~~~~~~~ > > Fixes: b74baf4ad05b ("LoongArch: Add signal handling support") > Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> > Cc: Huacai Chen <chenhuacai@xxxxxxxxxx> > Cc: WANG Xuerui <kernel@xxxxxxxxxx> > Cc: loongarch@xxxxxxxxxxxxxxx > Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx> > Signed-off-by: Kent Overstreet <kent.overstreet@xxxxxxxxx> > Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> > > diff --git a/arch/loongarch/kernel/signal.c b/arch/loongarch/kernel/signal.c > index 4a3686d13349..7a555b600171 100644 > --- a/arch/loongarch/kernel/signal.c > +++ b/arch/loongarch/kernel/signal.c > @@ -15,6 +15,7 @@ > #include <linux/context_tracking.h> > #include <linux/entry-common.h> > #include <linux/irqflags.h> > +#include <linux/rseq.h> > #include <linux/sched.h> > #include <linux/mm.h> > #include <linux/personality.h>
