linux-kernel - Re: [PATCH v2 10/10] perf: tests: Adapt mmap-basic.c for riscv

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Message-ID: <35dc3141-ac83-791c-7439-1c1f25ca95e8@ghiti.fr>
Date:   Thu, 15 Jun 2023 12:02:28 +0200
From:   Alexandre Ghiti <alex@...ti.fr>
To:     Andrew Jones <ajones@...tanamicro.com>,
        Alexandre Ghiti <alexghiti@...osinc.com>
Cc:     Jonathan Corbet <corbet@....net>,
        Peter Zijlstra <peterz@...radead.org>,
        Ingo Molnar <mingo@...hat.com>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>,
        Ian Rogers <irogers@...gle.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        Palmer Dabbelt <palmer@...belt.com>,
        Albert Ou <aou@...s.berkeley.edu>,
        Atish Patra <atishp@...shpatra.org>,
        Anup Patel <anup@...infault.org>,
        Will Deacon <will@...nel.org>, Rob Herring <robh@...nel.org>,
        linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-perf-users@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 10/10] perf: tests: Adapt mmap-basic.c for riscv

On 31/05/2023 17:15, Andrew Jones wrote:
> On Fri, May 12, 2023 at 10:53:21AM +0200, Alexandre Ghiti wrote:
>> riscv now supports mmaping hardware counters to userspace so adapt the test
>> to run on this architecture.
>>
>> Signed-off-by: Alexandre Ghiti <alexghiti@...osinc.com>
>> ---
>>   tools/perf/tests/mmap-basic.c | 4 ++--
>>   1 file changed, 2 insertions(+), 2 deletions(-)
>>
>> diff --git a/tools/perf/tests/mmap-basic.c b/tools/perf/tests/mmap-basic.c
>> index e68ca6229756..f5075ca774f8 100644
>> --- a/tools/perf/tests/mmap-basic.c
>> +++ b/tools/perf/tests/mmap-basic.c
>> @@ -284,7 +284,7 @@ static struct test_case tests__basic_mmap[] = {
>>   			 "permissions"),
>>   	TEST_CASE_REASON("User space counter reading of instructions",
>>   			 mmap_user_read_instr,
>> -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
>> +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64
>>   			 "permissions"
>>   #else
>>   			 "unsupported"
>> @@ -292,7 +292,7 @@ static struct test_case tests__basic_mmap[] = {
>>   		),
>>   	TEST_CASE_REASON("User space counter reading of cycles",
>>   			 mmap_user_read_cycles,
>> -#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
>> +#if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__) || __riscv_xlen == 64
>>   			 "permissions"
>>   #else
>>   			 "unsupported"
>> -- 
>> 2.37.2
>>
> Reviewed-by: Andrew Jones <ajones@...tanamicro.com>

Thanks for your review Andrew, as usual, always helpful.

And sorry for the delay!

Alex

>
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> linux-riscv@...ts.infradead.org
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