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Groups > linux.kernel > #1515967
| From | Greg KH <gregkh@linuxfoundation.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] staging: vc04_services: add vchiq_pagelist_info structure |
| Date | 2016-11-07 11:10 +0100 |
| Message-ID | <sAP2h-1FI-9@gated-at.bofh.it> (permalink) |
| References | <syfZ0-8gd-17@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Mon, Oct 31, 2016 at 01:10:35AM -0700, Michael Zoran wrote: > The current dma_map_sg based implementation for bulk messages > computes many offsets into a single allocation multiple times in > both the create and free code paths. This is inefficient, > error prone and in fact still has a few lingering issues > with arm64. > > This change replaces a small portion of that inplementation with > new code that uses a new struct vchiq_pagelist_info to store the > needed information rather then complex offset calculations. > > This improved implementation should be more efficient and easier > to understand and maintain. > > Tests Run(Both Pass): > vchiq_test -p 1 > vchiq_test -f 10 > > Signed-off-by: Michael Zoran <mzoran@crowfest.net> > --- > .../interface/vchiq_arm/vchiq_2835_arm.c | 223 +++++++++++---------- > 1 file changed, 113 insertions(+), 110 deletions(-) This doesn't apply to the tree anymore because of your previous patch :( Can you refresh it and resend? thanks, greg k-h
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[PATCH] staging: vc04_services: add vchiq_pagelist_info structure Michael Zoran <mzoran@crowfest.net> - 2016-10-31 09:20 +0100
Re: [PATCH] staging: vc04_services: add vchiq_pagelist_info structure Greg KH <gregkh@linuxfoundation.org> - 2016-11-07 11:10 +0100
Re: [PATCH] staging: vc04_services: add vchiq_pagelist_info structure Michael Zoran <mzoran@crowfest.net> - 2016-11-07 16:50 +0100
Re: [PATCH] staging: vc04_services: add vchiq_pagelist_info structure Greg KH <gregkh@linuxfoundation.org> - 2016-11-11 00:00 +0100
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