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Subject: Re: [PATCHv2] powerpc: POWER8 memcpy optimization for cached memory
To: Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>,
 libc-alpha@sourceware.org
Cc: Adhemerval Zanella <adhemerval.zanella@linaro.org>,
 Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
References: <87vaik8uxy.fsf@linux.vnet.ibm.com>
 <20171208194020.5005-1-tuliom@linux.vnet.ibm.com>
From: Florian Weimer <fweimer@redhat.com>
Message-ID: <f1c28160-ea24-50ab-eaa8-b75707a31202@redhat.com>
Date: Fri, 08 Dec 2017 20:06:00 -0000
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On 12/08/2017 08:40 PM, Tulio Magno Quites Machado Filho wrote:
> +@deftp Tunable glibc.tune.cached_memopt
> +The @code{glibc.tune.cached_memopt=[0|1]} tunable allows the user to enable
> +optimizations recommended to cacheable memory.
> +
> +This tunable is specific to powerpc, powerpc64 and powerpc64le.
> +@end deftp

I think this has a slight grammar problem.

What about this instead?

The @code{glibc.tune.cached_memopt=[0|1]} tunable allows the user to 
enable optimizations recommended for cacheable memory.  If set to 
@code{1}, @theglibc{} assumes that the process memory image consists of 
cacheable (non-device) memory only.  The default, @code{0}, indicates 
that the process may use device memory.

(I think it's best not to mention string functions here because it is 
impossible to describe how glibc.tune.cached_memopt affects them due to 
compiler optimizations.)

Thanks,
Florian