* [PATCH] gcov: remove support for GCC < 4.9
@ 2020-11-11 3:05 Nick Desaulniers
2020-11-12 15:04 ` Peter Oberparleiter
0 siblings, 1 reply; 2+ messages in thread
From: Nick Desaulniers @ 2020-11-11 3:05 UTC (permalink / raw)
To: Peter Oberparleiter; +Cc: clang-built-linux, Nick Desaulniers, linux-kernel
Since
commit 0bddd227f3dc ("Documentation: update for gcc 4.9 requirement")
the minimum supported version of GCC is gcc-4.9. It's now safe to remove
this code.
Similar to
commit 10415533a906 ("gcov: Remove old GCC 3.4 support")
but that was for GCC 4.8 and this is for GCC 4.9.
Link: https://github.com/ClangBuiltLinux/linux/issues/427
Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
---
kernel/gcov/gcc_4_7.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
index 53c67c87f141..0da0aacc1f26 100644
--- a/kernel/gcov/gcc_4_7.c
+++ b/kernel/gcov/gcc_4_7.c
@@ -25,10 +25,8 @@
#define GCOV_COUNTERS 9
#elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
#define GCOV_COUNTERS 10
-#elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9
-#define GCOV_COUNTERS 9
#else
-#define GCOV_COUNTERS 8
+#define GCOV_COUNTERS 9
#endif
#define GCOV_TAG_FUNCTION_LENGTH 3
--
2.29.2.222.g5d2a92d10f8-goog
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: [PATCH] gcov: remove support for GCC < 4.9
2020-11-11 3:05 [PATCH] gcov: remove support for GCC < 4.9 Nick Desaulniers
@ 2020-11-12 15:04 ` Peter Oberparleiter
0 siblings, 0 replies; 2+ messages in thread
From: Peter Oberparleiter @ 2020-11-12 15:04 UTC (permalink / raw)
To: Nick Desaulniers, Andrew Morton; +Cc: clang-built-linux, linux-kernel
On 11.11.2020 04:05, Nick Desaulniers wrote:
> Since
> commit 0bddd227f3dc ("Documentation: update for gcc 4.9 requirement")
> the minimum supported version of GCC is gcc-4.9. It's now safe to remove
> this code.
>
> Similar to
> commit 10415533a906 ("gcov: Remove old GCC 3.4 support")
> but that was for GCC 4.8 and this is for GCC 4.9.
>
> Link: https://github.com/ClangBuiltLinux/linux/issues/427
> Signed-off-by: Nick Desaulniers <ndesaulniers@google.com>
Looks good, thanks!
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Andrew, could you pick this up via your tree?
> ---
> kernel/gcov/gcc_4_7.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/kernel/gcov/gcc_4_7.c b/kernel/gcov/gcc_4_7.c
> index 53c67c87f141..0da0aacc1f26 100644
> --- a/kernel/gcov/gcc_4_7.c
> +++ b/kernel/gcov/gcc_4_7.c
> @@ -25,10 +25,8 @@
> #define GCOV_COUNTERS 9
> #elif (__GNUC__ > 5) || (__GNUC__ == 5 && __GNUC_MINOR__ >= 1)
> #define GCOV_COUNTERS 10
> -#elif __GNUC__ == 4 && __GNUC_MINOR__ >= 9
> -#define GCOV_COUNTERS 9
> #else
> -#define GCOV_COUNTERS 8
> +#define GCOV_COUNTERS 9
> #endif
>
> #define GCOV_TAG_FUNCTION_LENGTH 3
>
--
Peter Oberparleiter
Linux on Z Development - IBM Germany
^ permalink raw reply [flat|nested] 2+ messages in thread
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