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Groups > linux.kernel > #1457048
| From | Matt Fleming <matt@codeblueprint.co.uk> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH v2] efi: capsule: allocate whole capsule into virtual memory |
| Date | 2016-08-05 13:50 +0200 |
| Message-ID | <s2LNw-6Yu-17@gated-at.bofh.it> (permalink) |
| References | <s01c6-3wf-11@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On Thu, 28 Jul, at 03:30:29PM, Christ, Austin wrote: > According to UEFI 2.6 section 7.5.3, the capsule should be in contiguous > virtual memory and firmware may consume the capsule immediately. To > correctly implement this functionality, the kernel driver needs to vmap > the entire capsule at the time it is made available to firmware. > > The virtual allocation of the capsule update has been changed from kmap, > which was only allocating the first page of the update, to vmap, and > allocates the entire data payload. > > Signed-off-by: Austin Christ <austinwc@codeaurora.org> > Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk> > Reviewed-by: Lee, Chun-Yi <jlee@suse.com> > --- > drivers/firmware/efi/capsule-loader.c | 8 +++++--- > drivers/firmware/efi/capsule.c | 6 +++--- > 2 files changed, 8 insertions(+), 6 deletions(-) Thanks, applied.
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[PATCH v2] efi: capsule: allocate whole capsule into virtual memory Austin Christ <austinwc@codeaurora.org> - 2016-07-28 23:40 +0200 Re: [PATCH v2] efi: capsule: allocate whole capsule into virtual memory Matt Fleming <matt@codeblueprint.co.uk> - 2016-08-05 13:50 +0200
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