On 10/1/21 12:57 PM, Jens Axboe wrote:

On 10/1/21 4:49 AM, Naresh Kamboju wrote:

...

Following build errors noticed while building Linux next 20211001 with gcc-11 for powerpc architecture.

kernel/sched/debug.c: In function 'print_cfs_group_stats': kernel/sched/debug.c:460:41: warning: unused variable 'stats' [-Wunused-variable] 460 | struct sched_statistics *stats = __schedstats_from_se(se); | ^~~~~ In file included from include/linux/blkdev.h:6, from include/linux/blk-mq.h:5, from drivers/block/swim3.c:24: drivers/block/swim3.c: In function 'swim3_attach': drivers/block/swim3.c:1200:38: error: 'FLOPPY_MAJOR' undeclared (first use in this function) 1200 | rc = register_blkdev(FLOPPY_MAJOR, "fd"); | ^~~~~~~~~~~~ include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev' 276 | __register_blkdev(major, name, NULL) | ^~~~~ drivers/block/swim3.c:1200:38: note: each undeclared identifier is reported only once for each function it appears in 1200 | rc = register_blkdev(FLOPPY_MAJOR, "fd"); | ^~~~~~~~~~~~ include/linux/genhd.h:276:27: note: in definition of macro 'register_blkdev' 276 | __register_blkdev(major, name, NULL) | ^~~~~ make[3]: *** [scripts/Makefile.build:288: drivers/block/swim3.o] Error 1 make[3]: Target '__build' not remade because of errors. make[2]: *** [scripts/Makefile.build:571: drivers/block] Error 2 make[2]: Target '__build' not remade because of errors. make[1]: *** [Makefile:2034: drivers] Error 2

Build config: https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/config

Reported-by: Linux Kernel Functional Testing lkft@linaro.org

meta data:

 git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
 git_sha: a25006a77348ba06c7bc96520d331cd9dd370715
 git_short_log: a25006a77348 (\"Add linux-next specific files for 20211001\")
 kconfig:  ppc6xx_defconfig
 kernel_version: 5.15.0-rc3
 target_arch: powerpc
 toolchain: gcc-11

steps to reproduce: https://builds.tuxbuild.com/1ytcB62L9I617oV0cveJtUhcpUu/tuxmake_reproducer.s...

Does this fix it?

Yes, WorksForMe.

Acked-by: Randy Dunlap rdunlap@infradead.org # build-tested

Thanks.

diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c index f7e3482e846b..4b91c9aa5892 100644 --- a/drivers/block/swim3.c +++ b/drivers/block/swim3.c @@ -27,6 +27,7 @@ #include <linux/module.h> #include <linux/spinlock.h> #include <linux/wait.h> +#include <linux/major.h> #include <asm/io.h> #include <asm/dbdma.h> #include <asm/prom.h>