Commits
Li Zefan committed cb16b91a449
s390: Fix a header dependencies related build error Commit 877c685607925238e302cd3aa38788dca6c1b226 ("perf: Remove include of cgroup.h from perf_event.h") caused this build failure if PERF_EVENTS is enabled: In file included from arch/s390/include/asm/perf_event.h:9:0, from include/linux/perf_event.h:24, from kernel/events/ring_buffer.c:12: arch/s390/include/asm/cpu_mf.h: In function 'qctri': arch/s390/include/asm/cpu_mf.h:61:12: error: 'EINVAL' undeclared (first use in this function) cpu_mf.h had an implicit errno.h dependency, which was added indirectly via cgroups.h but not anymore. Add it explicitly. Reported-by: Fengguang Wu <fengguang.wu@intel.com> Tested-by: Fengguang Wu <fengguang.wu@intel.com> Signed-off-by: Li Zefan <lizefan@huawei.com> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Link: http://lkml.kernel.org/r/51385F79.7000106@huawei.com Signed-off-by: Ingo Molnar <mingo@kernel.org>