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author | Hauke Mehrtens <hauke@hauke-m.de> | 2021-10-04 23:24:49 +0200 |
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committer | Hauke Mehrtens <hauke@hauke-m.de> | 2021-10-18 23:01:19 +0200 |
commit | ea662d4c35174da63947df7409c8fd9ae0df0710 (patch) | |
tree | dd9e65b676cb6c6ba07b35d1211a7362593265ab | |
parent | a3e1fb0e9520298d58d07e2beab2cf93e9a0d922 (diff) | |
download | backports-ea662d4c35174da63947df7409c8fd9ae0df0710.tar.gz |
headers: Add linux/kcov.h
This adds empty implementation for kcov_remote_start_common() and
kcov_remote_stop() on older kernel versions. kcov will probably not work
properly when used with backports and older kernel versions.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
-rw-r--r-- | backport/backport-include/linux/kcov.h | 16 | ||||
-rw-r--r-- | backport/backport-include/linux/sched.h | 5 |
2 files changed, 21 insertions, 0 deletions
diff --git a/backport/backport-include/linux/kcov.h b/backport/backport-include/linux/kcov.h new file mode 100644 index 00000000..92095e63 --- /dev/null +++ b/backport/backport-include/linux/kcov.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef __BACKPORTS_LINUX_KCOV_H +#define __BACKPORTS_LINUX_KCOV_H +#include <linux/version.h> +#if LINUX_VERSION_IS_GEQ(4,6,0) +#include_next <linux/kcov.h> +#endif + +#if LINUX_VERSION_IS_LESS(5,5,0) +#define kcov_remote_stop LINUX_BACKPORT(kcov_remote_stop) +static inline void kcov_remote_stop(void) {} +#define kcov_remote_start_common LINUX_BACKPORT(kcov_remote_start_common) +static inline void kcov_remote_start_common(u64 id) {} +#endif + +#endif /* __BACKPORTS_LINUX_KCOV_H */ diff --git a/backport/backport-include/linux/sched.h b/backport/backport-include/linux/sched.h index 36263857..6a5cf8db 100644 --- a/backport/backport-include/linux/sched.h +++ b/backport/backport-include/linux/sched.h @@ -4,6 +4,11 @@ #include_next <linux/sched.h> #include <linux/version.h> +/* kcov was added in 4.6 and is included since then */ +#if LINUX_VERSION_IS_LESS(4,6,0) +#include <linux/kcov.h> +#endif + #if LINUX_VERSION_IS_LESS(5,9,0) #if LINUX_VERSION_IS_GEQ(4,11,0) #include <uapi/linux/sched/types.h> |