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From: | Richard Henderson |
Subject: | Re: [PATCH 2/4] target/arm: Fixup contiguous first-fault and no-fault loads |
Date: | Tue, 8 Dec 2020 14:16:11 -0600 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 |
On 12/6/20 10:46 PM, LIU Zhiwei wrote: > First-fault or no-fault doesn't mean only access one page. But the implementation is *allowed* to access only one page. Thus the comment: > - /* > - * MemSingleNF is allowed to fail for any reason. We have special > - * code above to handle the first element crossing a page boundary. > - * As an implementation choice, decline to handle a cross-page element > - * in any other position. > - */ r~
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