On 02/24/2011 11:01 AM, Thomas Gleixner wrote:
> On Thu, 24 Feb 2011, Stephen Boyd wrote:
>
>>
>> /**
>> * scm_call() - Send an SCM command
>> * @svc_id: service identifier
>> @@ -243,11 +248,13 @@ int scm_call(u32 svc_id, u32 cmd_id, const void *cmd_buf, size_t cmd_len,
>> do {
>> u32 start = (u32)rsp;
>> u32 end = (u32)scm_get_response_buffer(rsp) + resp_len;
>> - start &= ~(CACHELINESIZE - 1);
>> + u32 cacheline_size = dcache_line_size();
>
> And why do you want to do that on every scm_call() invocation and on
> every loop of that code? If your dcache_line_size() changes at
> runtime, then you might have other problems.
I definitely don't want to do it for every loop. I'm fine with getting
it every scm_call() invocation though.
For now, I'll pull the end and cacheline_size variables out of the
do-while loop.
--
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