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Re: [Xen-devel] [PATCH v2 1/4] xen: indicate gcov in log messages



On Tue, 6 Sep 2016, Wei Liu wrote:
> Signed-off-by: Wei Liu <wei.liu2@xxxxxxxxxx>

Acked-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>


> Cc: Stefano Stabellini <sstabellini@xxxxxxxxxx>
> Cc: Julien Grall <julien.grall@xxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
> ---
>  xen/arch/arm/traps.c        | 5 +++--
>  xen/arch/x86/x86_64/traps.c | 5 +++--
>  xen/drivers/char/console.c  | 5 +++--
>  xen/include/xen/lib.h       | 6 ++++++
>  4 files changed, 15 insertions(+), 6 deletions(-)
> 
> diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
> index 683bcb2..3bac8e8 100644
> --- a/xen/arch/arm/traps.c
> +++ b/xen/arch/arm/traps.c
> @@ -141,14 +141,15 @@ static void print_xen_info(void)
>  {
>      char taint_str[TAINT_STRING_MAX_LEN];
>  
> -    printk("----[ Xen-%d.%d%s  %s  debug=%c  %s ]----\n",
> +    printk("----[ Xen-%d.%d%s  %s  debug=%c gcov=%c  %s ]----\n",
>             xen_major_version(), xen_minor_version(), xen_extra_version(),
>  #ifdef CONFIG_ARM_32
>             "arm32",
>  #else
>             "arm64",
>  #endif
> -           debug_build() ? 'y' : 'n', print_tainted(taint_str));
> +           debug_build() ? 'y' : 'n', gcov_build() ? 'y' : 'n',
> +           print_tainted(taint_str));
>  }
>  
>  #ifdef CONFIG_ARM_32
> diff --git a/xen/arch/x86/x86_64/traps.c b/xen/arch/x86/x86_64/traps.c
> index 2d8ecf5..0708cc7 100644
> --- a/xen/arch/x86/x86_64/traps.c
> +++ b/xen/arch/x86/x86_64/traps.c
> @@ -30,9 +30,10 @@ static void print_xen_info(void)
>  {
>      char taint_str[TAINT_STRING_MAX_LEN];
>  
> -    printk("----[ Xen-%d.%d%s  x86_64  debug=%c  %s ]----\n",
> +    printk("----[ Xen-%d.%d%s  x86_64  debug=%c gcov=%c %s ]----\n",
>             xen_major_version(), xen_minor_version(), xen_extra_version(),
> -           debug_build() ? 'y' : 'n', print_tainted(taint_str));
> +           debug_build() ? 'y' : 'n', gcov_build() ? 'y' : 'n',
> +           print_tainted(taint_str));
>  }
>  
>  enum context { CTXT_hypervisor, CTXT_pv_guest, CTXT_hvm_guest };
> diff --git a/xen/drivers/char/console.c b/xen/drivers/char/console.c
> index 650035d..e773076 100644
> --- a/xen/drivers/char/console.c
> +++ b/xen/drivers/char/console.c
> @@ -735,10 +735,11 @@ void __init console_init_preirq(void)
>      spin_lock(&console_lock);
>      __putstr(xen_banner());
>      spin_unlock(&console_lock);
> -    printk("Xen version %d.%d%s (%s@%s) (%s) debug=%c %s\n",
> +    printk("Xen version %d.%d%s (%s@%s) (%s) debug=%c gcov=%c %s\n",
>             xen_major_version(), xen_minor_version(), xen_extra_version(),
>             xen_compile_by(), xen_compile_domain(),
> -           xen_compiler(), debug_build() ? 'y' : 'n', xen_compile_date());
> +           xen_compiler(), debug_build() ? 'y' : 'n',
> +           gcov_build() ? 'y' : 'n', xen_compile_date());
>      printk("Latest ChangeSet: %s\n", xen_changeset());
>  
>      if ( opt_sync_console )
> diff --git a/xen/include/xen/lib.h b/xen/include/xen/lib.h
> index e518adc..464fb05 100644
> --- a/xen/include/xen/lib.h
> +++ b/xen/include/xen/lib.h
> @@ -26,6 +26,12 @@
>  #define BUILD_BUG_ON(cond) ((void)BUILD_BUG_ON_ZERO(cond))
>  #endif
>  
> +#ifdef CONFIG_GCOV
> +#define gcov_build() 1
> +#else
> +#define gcov_build() 0
> +#endif
> +
>  #ifndef NDEBUG
>  #define ASSERT(p) \
>      do { if ( unlikely(!(p)) ) assert_failed(#p); } while (0)
> -- 
> 2.1.4
> 

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