Message ID | c13cb3767d26257ca4387b8296b632b433a58db6.1641468127.git.naveen.n.rao@linux.vnet.ibm.com (mailing list archive) |
---|---|
State | Accepted |
Headers | show |
Series | powerpc/bpf: Some fixes and updates | expand |
On 1/6/22 12:45 PM, Naveen N. Rao wrote: > On ppc64le, trying to build bpf seltests throws the below warning: > In file included from runqslower.bpf.c:5: > ./runqslower.h:7:8: error: redefinition of 'event' > struct event { > ^ > /home/naveen/linux/tools/testing/selftests/bpf/tools/build/runqslower/vmlinux.h:156602:8: > note: previous definition is here > struct event { > ^ > > This happens since 'struct event' is defined in > drivers/net/ethernet/alteon/acenic.h . Rename the one in runqslower to a > more appropriate 'runq_event' to avoid the naming conflict. > > Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Acked-by: Daniel Borkmann <daniel@iogearbox.net>
diff --git a/tools/bpf/runqslower/runqslower.bpf.c b/tools/bpf/runqslower/runqslower.bpf.c index ab9353f2fd46ab..9a5c1f008fe603 100644 --- a/tools/bpf/runqslower/runqslower.bpf.c +++ b/tools/bpf/runqslower/runqslower.bpf.c @@ -68,7 +68,7 @@ int handle__sched_switch(u64 *ctx) */ struct task_struct *prev = (struct task_struct *)ctx[1]; struct task_struct *next = (struct task_struct *)ctx[2]; - struct event event = {}; + struct runq_event event = {}; u64 *tsp, delta_us; long state; u32 pid; diff --git a/tools/bpf/runqslower/runqslower.c b/tools/bpf/runqslower/runqslower.c index d8971584495213..ff7f5e8485e937 100644 --- a/tools/bpf/runqslower/runqslower.c +++ b/tools/bpf/runqslower/runqslower.c @@ -100,7 +100,7 @@ static int bump_memlock_rlimit(void) void handle_event(void *ctx, int cpu, void *data, __u32 data_sz) { - const struct event *e = data; + const struct runq_event *e = data; struct tm *tm; char ts[32]; time_t t; diff --git a/tools/bpf/runqslower/runqslower.h b/tools/bpf/runqslower/runqslower.h index 9db225425e5ff9..4f70f07200c23d 100644 --- a/tools/bpf/runqslower/runqslower.h +++ b/tools/bpf/runqslower/runqslower.h @@ -4,7 +4,7 @@ #define TASK_COMM_LEN 16 -struct event { +struct runq_event { char task[TASK_COMM_LEN]; __u64 delta_us; pid_t pid;
On ppc64le, trying to build bpf seltests throws the below warning: In file included from runqslower.bpf.c:5: ./runqslower.h:7:8: error: redefinition of 'event' struct event { ^ /home/naveen/linux/tools/testing/selftests/bpf/tools/build/runqslower/vmlinux.h:156602:8: note: previous definition is here struct event { ^ This happens since 'struct event' is defined in drivers/net/ethernet/alteon/acenic.h . Rename the one in runqslower to a more appropriate 'runq_event' to avoid the naming conflict. Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> --- tools/bpf/runqslower/runqslower.bpf.c | 2 +- tools/bpf/runqslower/runqslower.c | 2 +- tools/bpf/runqslower/runqslower.h | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-)