[PATCH 5.12 005/677] coresight: etm-perf: Fix define build issue when built as module

From: Greg Kroah-Hartman
Date: Wed May 12 2021 - 14:18:21 EST


From: Mike Leach <mike.leach@xxxxxxxxxx>

commit 9204ff94868496f2d9b8b173af52ec455160c364 upstream.

CONFIG_CORESIGHT_SOURCE_ETM4X is undefined when built as module,
CONFIG_CORESIGHT_SOURCE_ETM4X_MODULE is defined instead.

Therefore code in format_attr_contextid_show() not correctly complied
when coresight built as module.

Use IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X) to correct this.

Link: https://lore.kernel.org/r/20210414194808.22872-1-mike.leach@xxxxxxxxxx
Fixes: 88f11864cf1d ("coresight: etm-perf: Support PID tracing for kernel at EL2")
Reviewed-by: Leo Yan <leo.yan@xxxxxxxxxx>
Signed-off-by: Mike Leach <mike.leach@xxxxxxxxxx>
Signed-off-by: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Cc: stable <stable@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20210415202404.945368-2-mathieu.poirier@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/hwtracing/coresight/coresight-etm-perf.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -52,7 +52,7 @@ static ssize_t format_attr_contextid_sho
{
int pid_fmt = ETM_OPT_CTXTID;

-#if defined(CONFIG_CORESIGHT_SOURCE_ETM4X)
+#if IS_ENABLED(CONFIG_CORESIGHT_SOURCE_ETM4X)
pid_fmt = is_kernel_in_hyp_mode() ? ETM_OPT_CTXTID2 : ETM_OPT_CTXTID;
#endif
return sprintf(page, "config:%d\n", pid_fmt);