Re: [PATCH RESEND] irq: export irq_check_status_bit symbol

From: Brooke Basile
Date: Thu Jan 21 2021 - 23:08:16 EST

On 1/5/21 10:57 PM, Yun Levi wrote:
Because of the missing export symbol for irq_chekc_status_bit,
Building arm_spe_pmu.ko is a failure on the modpost step.

Below is an error message I saw:
ERROR:modpost: "irq_check_status_bit" [drivers/perf/arm_spe_pmu.ko] undefined!
make[4]: *** [scripts/Makefile.modpost:111: Module.symvers] Error 1
make[4]: *** Deleting file 'Module.symvers'
make[3]: *** [Makefile:1396: modules] Error 2
make[2]: *** [debian/rules:7: build-arch] Error 2
dpkg-buildpackage: error: debian/rules binary subprocess returned exit status 2
make[1]: *** [scripts/Makefile.package:83: bindeb-pkg] Error 2

Signed-off-by: Levi Yun <ppbuk5246@xxxxxxxxx>
kernel/irq/manage.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ab8567f32501..dec3f73e8db9 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -2859,3 +2859,4 @@ bool irq_check_status_bit(unsigned int irq,
unsigned int bitmask)
return res;


I ran into this issue while compiling 5.11-rc4 for my RPi 4B. Applying this patch fixed the breakage.

Thanks for the fix!

Tested-by: Brooke Basile <brookebasile@xxxxxxxxx>

Brooke Basile