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From: Scott Branden <firstname.lastname@example.org>
To: Greg Kroah-Hartman <email@example.com>
Cc: Luis Chamberlain <firstname.lastname@example.org>,
David Brown <email@example.com>,
Alexander Viro <firstname.lastname@example.org>,
"Rafael J . Wysocki" <email@example.com>,
BCM Kernel Feedback <firstname.lastname@example.org>,
Olof Johansson <email@example.com>
Subject: Re: [PATCH 2/3] firmware: add offset to request_firmware_into_buf
Date: Wed, 31 Jul 2019 17:18:32 -0700 [thread overview]
Message-ID: <firstname.lastname@example.org> (raw)
I am now back from leave to continue this patch. Comment below.
On 2019-05-23 10:22 p.m., Greg Kroah-Hartman wrote:
> On Thu, May 23, 2019 at 10:01:38PM -0700, Scott Branden wrote:
>> On 2019-05-23 9:54 a.m., Greg Kroah-Hartman wrote:
>>> On Thu, May 23, 2019 at 09:36:02AM -0700, Scott Branden wrote:
>>>> Hi Greg,
>>>> On 2019-05-22 10:52 p.m., Greg Kroah-Hartman wrote:
>>>>> On Wed, May 22, 2019 at 07:51:12PM -0700, Scott Branden wrote:
>>>>>> Add offset to request_firmware_into_buf to allow for portions
>>>>>> of firmware file to be read into a buffer. Necessary where firmware
>>>>>> needs to be loaded in portions from file in memory constrained systems.
>>>>>> Signed-off-by: Scott Branden <email@example.com>
>>>>>> drivers/base/firmware_loader/firmware.h | 5 +++
>>>>>> drivers/base/firmware_loader/main.c | 49 +++++++++++++++++--------
>>>>>> include/linux/firmware.h | 8 +++-
>>>>>> 3 files changed, 45 insertions(+), 17 deletions(-)
>>>>> No new firmware test for this new option? How do we know it even works?
>>>> I was unaware there are existing firmware tests. Please let me know where
>>>> these tests exists and I can add a test for this new option.
>> Unfortunately, there doesn't seem to be a test for the existing
>> request_firmware_into_buf api.
> Are you sure? The test is for userspace functionality, there isn't
> kernel unit tests here. You need to verify that you didn't break
> existing functionality as well as verify that your new functionality
I managed to figure out how to build and run
and my changes don't break existing functionality.
But, I find no use of request_firmware_into_buf in lib/test_firmware.c
(triggered by fw_run_tests.sh).
Is there another test for request_firmware_into_buf?
>>>> We have tested this with a new driver in development which requires the
>>>> firmware file to be read in portions into memory. I can add my tested-by
>>>> and others to the commit message if desired.
>>> I can't take new apis without an in-kernel user, you all know this...
>> OK, It will have to wait then as I was hoping to get this in before my
> Throwing new code over the wall and running away is a sure way to ensure
> that your code will be ignored :)
> greg k-h
next prev parent reply other threads:[~2019-08-01 0:18 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-23 2:51 [PATCH 0/3] fs: add partial file read support Scott Branden
2019-05-23 2:51 ` [PATCH 1/3] fs: introduce kernel_pread_file* support Scott Branden
2019-05-23 2:51 ` [PATCH 2/3] firmware: add offset to request_firmware_into_buf Scott Branden
2019-05-23 5:52 ` Greg Kroah-Hartman
2019-05-23 16:36 ` Scott Branden
2019-05-23 16:54 ` Greg Kroah-Hartman
2019-05-24 5:01 ` Scott Branden
2019-05-24 5:22 ` Greg Kroah-Hartman
2019-08-01 0:18 ` Scott Branden [this message]
2019-08-01 6:18 ` Greg Kroah-Hartman
2019-08-01 17:42 ` Luis Chamberlain
2019-08-01 18:15 ` Scott Branden
2019-08-19 22:22 ` Luis Chamberlain
2019-05-23 2:51 ` [PATCH 3/3] soc: qcom: mdt_loader: " Scott Branden
2019-05-23 5:52 ` Greg Kroah-Hartman
2019-05-23 16:41 ` Scott Branden
2019-05-23 16:56 ` Greg Kroah-Hartman
2019-05-27 5:36 ` Bjorn Andersson
2019-07-30 23:02 ` Scott Branden
2019-08-22 19:33 ` Scott Branden
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