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From: | Richard Henderson |
Subject: | Re: [Qemu-arm] [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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