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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: Michael Ellerman <mpe@ellerman.id.au>
Cc: fweimer@redhat.com, aneesh.kumar@linux.ibm.com,
	linuxram@us.ibm.com, Sandipan Das <sandipan@linux.ibm.com>,
	linuxppc-dev@lists.ozlabs.org, bauerman@linux.ibm.com
Subject: Re: [PATCH 5/5] selftests/powerpc: Add test for pkey siginfo verification
Date: Sun, 26 Jul 2020 16:40:09 +0200	[thread overview]
Message-ID: <20200726164009.Horde.J2bKDAPkYDkRMsx2Qnk8OQ8@messagerie.si.c-s.fr> (raw)
In-Reply-To: <87365egymc.fsf@mpe.ellerman.id.au>

Michael Ellerman <mpe@ellerman.id.au> a écrit :

> Sandipan Das <sandipan@linux.ibm.com> writes:
>> diff --git a/tools/testing/selftests/powerpc/mm/pkey_siginfo.c  
>> b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
>> new file mode 100644
>> index 0000000000000..58605c53d495d
>> --- /dev/null
>> +++ b/tools/testing/selftests/powerpc/mm/pkey_siginfo.c
>> @@ -0,0 +1,332 @@
> ...
>> +
>> +static void *protect(void *p)
>> +{
>> +	unsigned long rights;
>> +	unsigned int *base;
>> +	size_t size;
>> +	int tid, i;
>> +
>> +	tid = gettid();
>
> pkey_siginfo.c: In function 'protect':
> pkey_siginfo.c:103:8: error: implicit declaration of function  
> 'gettid' [-Werror=implicit-function-declaration]
>   tid = gettid();
>         ^
>
>
> On Ubuntu 18.04 at least.

See https://man7.org/linux/man-pages/man2/gettid.2.html

Added in glibc 2.30

Christophe

  reply	other threads:[~2020-07-26 14:42 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-16 11:03 [PATCH 0/5] Improvements to pkey tests Sandipan Das
2020-07-16 11:03 ` [PATCH 1/5] selftests/powerpc: Move pkey helpers to headers Sandipan Das
2020-07-16 11:03 ` [PATCH 2/5] selftests/powerpc: Add pkey helpers for rights Sandipan Das
2020-07-16 11:03 ` [PATCH 3/5] selftests/powerpc: Harden test for execute-disabled pkeys Sandipan Das
2020-07-16 11:03 ` [PATCH 4/5] selftests/powerpc: Add helper to exit on failure Sandipan Das
2020-07-16 11:03 ` [PATCH 5/5] selftests/powerpc: Add test for pkey siginfo verification Sandipan Das
2020-07-26 14:05   ` Michael Ellerman
2020-07-26 14:40     ` Christophe Leroy [this message]
2020-07-26 23:52       ` Michael Ellerman
2020-07-27  3:27         ` Sandipan Das

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