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Re: hi, I have a question about "MULTI_PAGE_ALIASING" in allocate_stack()
- From: Xishi Qiu <qiuxishi at huawei dot com>
- To: Andreas Schwab <schwab at suse dot de>
- Cc: <libc-alpha at sourceware dot org>
- Date: Fri, 18 Dec 2015 09:31:49 +0800
- Subject: Re: hi, I have a question about "MULTI_PAGE_ALIASING" in allocate_stack()
- Authentication-results: sourceware.org; auth=none
- References: <5672B732 dot 3010706 at huawei dot com> <mvmfuz142m2 dot fsf at hawking dot suse dot de>
On 2015/12/17 21:38, Andreas Schwab wrote:
> Xishi Qiu <qiuxishi@huawei.com> writes:
>
>> I don't quite understand "aliasing problems", could you explain it?
>
> This is the first google hit:
>
> https://software.intel.com/en-us/forums/intel-vtune-amplifier-xe/topic/311267
>
> Andreas.
>
Hi Andreas,
The stack addr is virtual addr, and the physical addr is volatile,
so how the cache conflict happens?
Thanks,
Xishi Qiu