Messages in this thread | | | Date | Thu, 19 Jul 2007 17:18:59 +0200 | From | Zoltan Menyhart <> | Subject | Re: [BUGFIX]{PATCH] flush icache on ia64 take2 |
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KAMEZAWA Hiroyuki wrote:
> Hmm...but the current code flushes the page. just do it in "lazy" way. > much difference ?
I agree the current code flushes the I-cache for all kinds of file systems (for PTEs with the exec bit on).
The error is that it does it after the PTE is written.
In addition, I wanted to optimize it to gain a few %. Apparently this idea is not much welcome.
I can agree that flushing the I-cache (if the architecture requires it) before setting the PTE eliminates the error.
Thanks,
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