On 2/12/26 1:25 AM, Saket Kumar Bhaskar wrote:
get_preempt_count() is enabled to return preempt_count for powerpc,
so that bpf_in_interrupt()/bpf_in_nmi()/bpf_in_serving_softirq()/
bpf_in_task()/bpf_in_hardirq()/get_preempt_count() works for
powerpc as well.
Signed-off-by: Saket Kumar Bhaskar <[email protected]>
---
Changes since v1:
* Updated the comments to include powerpc for the APIs.
v1: https://lore.kernel.org/bpf/[email protected]/
---
tools/testing/selftests/bpf/bpf_experimental.h | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/tools/testing/selftests/bpf/bpf_experimental.h
b/tools/testing/selftests/bpf/bpf_experimental.h
index 4b7210c318dd..9df77e59d4f5 100644
--- a/tools/testing/selftests/bpf/bpf_experimental.h
+++ b/tools/testing/selftests/bpf/bpf_experimental.h
@@ -645,6 +645,8 @@ static inline int get_preempt_count(void)
bpf_this_cpu_ptr(&pcpu_hot))->preempt_count;
#elif defined(bpf_target_arm64)
return bpf_get_current_task_btf()->thread_info.preempt.count;
+#elif defined(bpf_target_powerpc)
+ return bpf_get_current_task_btf()->thread_info.preempt_count;
#endif
Maybe do
#elif defined(bpf_target_arm64) || defined(bpf_target_powerpc)
?
return 0;
}
@@ -653,6 +655,7 @@ static inline int get_preempt_count(void)
* Report whether it is in interrupt context. Only works on the following
archs:
* * x86
* * arm64
+ * * powerpc64
*/
static inline int bpf_in_interrupt(void)
{
@@ -672,6 +675,7 @@ static inline int bpf_in_interrupt(void)
* Report whether it is in NMI context. Only works on the following archs:
* * x86
* * arm64
+ * * powerpc64
*/
static inline int bpf_in_nmi(void)
{
@@ -682,6 +686,7 @@ static inline int bpf_in_nmi(void)
* Report whether it is in hard IRQ context. Only works on the following
archs:
* * x86
* * arm64
+ * * powerpc64
*/
static inline int bpf_in_hardirq(void)
{
@@ -692,6 +697,7 @@ static inline int bpf_in_hardirq(void)
* Report whether it is in softirq context. Only works on the following
archs:
* * x86
* * arm64
+ * * powerpc64
*/
static inline int bpf_in_serving_softirq(void)
{
@@ -710,6 +716,7 @@ static inline int bpf_in_serving_softirq(void)
* Report whether it is in task context. Only works on the following archs:
* * x86
* * arm64
+ * * powerpc64
*/
static inline int bpf_in_task(void)
{
