From: Babu Moger <babu.moger@oracle.com>
To: David Miller <davem@davemloft.net>
Cc: peterz@infradead.org, mingo@redhat.com, arnd@arndb.de,
shannon.nelson@oracle.com, haakon.bugge@oracle.com,
steven.sistare@oracle.com, vijay.ac.kumar@oracle.com,
jane.chu@oracle.com, sparclinux@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org
Subject: Re: [PATCH 4/6] arch/sparc: Enable queued rwlocks for SPARC
Date: Fri, 19 May 2017 11:36:19 -0500 [thread overview]
Message-ID: <4f6735d6-ceb4-bfdd-5c98-58bef04d6566@oracle.com> (raw)
In-Reply-To: <20170518.223113.1783186374793423172.davem@davemloft.net>
On 5/18/2017 9:31 PM, David Miller wrote:
> From: Babu Moger <babu.moger@oracle.com>
> Date: Thu, 18 May 2017 18:36:08 -0600
>
>> @@ -82,6 +82,7 @@ config SPARC64
>> select HAVE_ARCH_AUDITSYSCALL
>> select ARCH_SUPPORTS_ATOMIC_RMW
>> select HAVE_NMI
>> + select ARCH_USE_QUEUED_RWLOCKS
>>
> If you are selecting this on SPARC64 all the time, then:
>
>> @@ -94,6 +94,7 @@ static inline void arch_spin_lock_flags(arch_spinlock_t *lock, unsigned long fla
>> : "memory");
>> }
>>
>> +#ifndef CONFIG_QUEUED_RWLOCKS
>> /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */
> You can remove this segment of ifdef'd code altogether since it is in
> a sparc64 specific header file.
Sure. will do.
next prev parent reply other threads:[~2017-05-19 16:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-19 0:36 [PATCH 0/6] Enable queued rwlock and queued spinlock for SPARC Babu Moger
2017-05-19 0:36 ` Babu Moger
2017-05-19 0:36 ` [PATCH 1/6] kernel/locking: Fix compile error with qrwlock.c Babu Moger
2017-05-19 0:36 ` Babu Moger
2017-05-19 2:27 ` David Miller
2017-05-19 2:27 ` David Miller
2017-05-19 16:35 ` Babu Moger
2017-05-19 0:36 ` [PATCH 2/6] arch/sparc: Define config parameter CPU_BIG_ENDIAN Babu Moger
2017-05-19 0:36 ` Babu Moger
2017-05-19 2:26 ` David Miller
2017-05-19 16:26 ` Babu Moger
2017-05-19 0:36 ` [PATCH 3/6] arch/sparc: Introduce cmpxchg_u8 SPARC Babu Moger
2017-05-19 0:36 ` [PATCH 4/6] arch/sparc: Enable queued rwlocks for SPARC Babu Moger
2017-05-19 0:36 ` Babu Moger
2017-05-19 2:31 ` David Miller
2017-05-19 2:31 ` David Miller
2017-05-19 9:03 ` Peter Zijlstra
2017-05-19 16:43 ` Babu Moger
2017-05-19 19:15 ` David Miller
2017-05-19 19:15 ` David Miller
2017-05-19 19:31 ` Peter Zijlstra
2017-05-19 19:31 ` Peter Zijlstra
2017-05-19 19:35 ` David Miller
2017-05-19 19:35 ` David Miller
2017-05-19 16:36 ` Babu Moger [this message]
2017-05-19 0:36 ` [PATCH 5/6] arch/sparc: Introduce xchg16 " Babu Moger
2017-05-19 0:36 ` [PATCH 6/6] arch/sparc: Enable queued spinlock support " Babu Moger
2017-05-19 2:32 ` David Miller
2017-05-19 16:37 ` Babu Moger
2017-05-19 16:37 ` Babu Moger
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