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From: | Richard Henderson |
Subject: | Re: [PATCH v3 3/4] RISC-V: support vector extension csr |
Date: | Sat, 4 Jan 2020 10:14:03 +1100 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.2.2 |
On 1/3/20 2:33 PM, LIU Zhiwei wrote: > Until v0.7.1 specification, vector status is still not defined for > mstatus. Using "until" imples that v0.7.1 *does* define the vector status. Better said as "The v0.7.1 specification does not define vector status within mstatus. A future revision will define the privileged portion of the vector status." Although lack of a privileged spec does suggest to me that perhaps we ought to support the vector extension only for CONFIG_USER_ONLY for now. r~
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