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Groups > linux.kernel > #1240587
| From | Catalin Marinas <catalin.marinas@arm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V5 0/2] copy to/in/from user optimization |
| Date | 2015-10-06 17:40 +0200 |
| Message-ID | <qgCvp-1OO-47@gated-at.bofh.it> (permalink) |
| References | <qbXqO-4lb-13@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Wed, Sep 23, 2015 at 11:55:37AM -0700, Feng Kan wrote: > This coverts all copy in/from/to user file to use the copy template file. > The copy template file is based on the memcpy.S. The first patch converts > the memcpy to use the copy template as well. Overnight trinity test and > 10G iperf was used to test correctness and performance. Noticeable > iperf improvement (~30%) on the receive side. > > V5 Changes: > 1. Switch patch ordering. > 2. Simplify assembly code and use fixed large tags in marco > 3. Fixed indentation issue. > > Feng Kan (2): > arm64: Change memcpy in kernel to use the copy template file > arm64: copy_to-from-in_user optimization using copy template Queued for 4.4 (subject to passing my LTP testing). Thanks. -- Catalin -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [PATCH V5 0/2] copy to/in/from user optimization Catalin Marinas <catalin.marinas@arm.com> - 2015-10-06 17:40 +0200
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