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Re: [Qemu-devel] [PATCH v2 13/13] tb-hash: improve tb_jmp_cache hash fun

From: Richard Henderson
Subject: Re: [Qemu-devel] [PATCH v2 13/13] tb-hash: improve tb_jmp_cache hash function in user mode
Date: Tue, 25 Apr 2017 13:19:58 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.0 
On 04/25/2017 09:53 AM, Emilio G. Cota wrote:

Optimizations to cross-page chaining and indirect branches make
performance more sensitive to the hit rate of tb_jmp_cache.
The constraint of reserving some bits for the page number
lowers the achievable quality of the hashing function.


Reviewed-by: Richard Henderson <address@hidden>


r~
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