linux-kernel - Re: [PATCH -next v2] powerpc/perf: Fix symbol undeclared warning

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-Id: <6BDE5740-1EC8-494B-87CC-88B839D0E595@linux.vnet.ibm.com>
Date:   Thu, 24 Sep 2020 08:45:36 +0530
From:   Athira Rajeev <atrajeev@...ux.vnet.ibm.com>
To:     Wang Wensheng <wangwensheng4@...wei.com>
Cc:     Michael Ellerman <mpe@...erman.id.au>, benh@...nel.crashing.org,
        paulus@...ba.org, Madhavan Srinivasan <maddy@...ux.ibm.com>,
        "anju@...ux.vnet.ibm.com" <anju@...ux.vnet.ibm.com>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        rui.xiang@...wei.com
Subject: Re: [PATCH -next v2] powerpc/perf: Fix symbol undeclared warning



> On 23-Sep-2020, at 12:44 PM, Wang Wensheng <wangwensheng4@...wei.com> wrote:
> 
> Build kernel with `C=2`:
> arch/powerpc/perf/isa207-common.c:24:18: warning: symbol
> 'isa207_pmu_format_attr' was not declared. Should it be static?
> arch/powerpc/perf/power9-pmu.c:101:5: warning: symbol 'p9_dd21_bl_ev'
> was not declared. Should it be static?
> arch/powerpc/perf/power9-pmu.c:115:5: warning: symbol 'p9_dd22_bl_ev'
> was not declared. Should it be static?
> 
> Those symbols are used only in the files that define them so we declare
> them as static to fix the warnings.

Hi, 

Looks fine to me. 

Reviewed-by: Athira Rajeev <atrajeev@...ux.vnet.ibm.com>

Thanks
Athira
> 
> Signed-off-by: Wang Wensheng <wangwensheng4@...wei.com>
> ---
> arch/powerpc/perf/isa207-common.c | 2 +-
> arch/powerpc/perf/power9-pmu.c    | 4 ++--
> 2 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c
> index 964437adec18..85dc860b265b 100644
> --- a/arch/powerpc/perf/isa207-common.c
> +++ b/arch/powerpc/perf/isa207-common.c
> @@ -21,7 +21,7 @@ PMU_FORMAT_ATTR(thresh_stop,	"config:32-35");
> PMU_FORMAT_ATTR(thresh_start,	"config:36-39");
> PMU_FORMAT_ATTR(thresh_cmp,	"config:40-49");
> 
> -struct attribute *isa207_pmu_format_attr[] = {
> +static struct attribute *isa207_pmu_format_attr[] = {
> 	&format_attr_event.attr,
> 	&format_attr_pmcxsel.attr,
> 	&format_attr_mark.attr,
> diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
> index 2a57e93a79dc..4a315fad1f99 100644
> --- a/arch/powerpc/perf/power9-pmu.c
> +++ b/arch/powerpc/perf/power9-pmu.c
> @@ -98,7 +98,7 @@ extern u64 PERF_REG_EXTENDED_MASK;
> /* PowerISA v2.07 format attribute structure*/
> extern struct attribute_group isa207_pmu_format_group;
> 
> -int p9_dd21_bl_ev[] = {
> +static int p9_dd21_bl_ev[] = {
> 	PM_MRK_ST_DONE_L2,
> 	PM_RADIX_PWC_L1_HIT,
> 	PM_FLOP_CMPL,
> @@ -112,7 +112,7 @@ int p9_dd21_bl_ev[] = {
> 	PM_DISP_HELD_SYNC_HOLD,
> };
> 
> -int p9_dd22_bl_ev[] = {
> +static int p9_dd22_bl_ev[] = {
> 	PM_DTLB_MISS_16G,
> 	PM_DERAT_MISS_2M,
> 	PM_DTLB_MISS_2M,
> -- 
> 2.25.0
>