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Re: [PATCH v6 3/5] test: add new driver_data load tester

From AKASHI Takahiro <takahiro.akashi@linaro.org>
Newsgroups linux.kernel
Subject Re: [PATCH v6 3/5] test: add new driver_data load tester
Date 2017-05-12 02:30 +0200
Message-ID <tG6CZ-51c-5@gated-at.bofh.it> (permalink)
References (2 earlier) <tuZlw-4vi-17@gated-at.bofh.it> <tB3cK-Dx-7@gated-at.bofh.it> <tFTPs-5db-3@gated-at.bofh.it> <tG10C-1rf-3@gated-at.bofh.it> <tG1jY-1xY-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Thu, May 11, 2017 at 11:32:30AM -0700, Luis R. Rodriguez wrote:
> On Thu, May 11, 2017 at 11:26 AM, Luis R. Rodriguez <mcgrof@suse.com> wrote:
> >
> > It would seems to make sense to me to only need to verify files when read
> > for the first time, once its cache I don't see why we would re-verify them ?
> 
> To be clear, the fw cache feature reads the files from the fs prior to
> suspend, and then uses the in-memory cache on resume. So it would make
> sense to me only to rely on fw verification on resume then when the fw
> cache is used ?

Good point. I was thinking of need for verification on resume.
As cache is not protected and visible to the kernel, some malware
might want to rewrite it :)

Thanks,
-Takahiro AKASHI

>  Luis

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Thread

Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-04-28 03:50 +0200
  Re: [PATCH v6 3/5] test: add new driver_data load tester AKASHI Takahiro <takahiro.akashi@linaro.org> - 2017-05-11 12:50 +0200
    Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@suse.com> - 2017-05-11 19:20 +0200
      Re: [PATCH v6 3/5] test: add new driver_data load tester "Li, Yi" <yi1.li@linux.intel.com> - 2017-05-18 00:50 +0200
        Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-19 20:40 +0200
    Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@suse.com> - 2017-05-11 20:20 +0200
    Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@suse.com> - 2017-05-11 20:30 +0200
      Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-11 20:50 +0200
        Re: [PATCH v6 3/5] test: add new driver_data load tester AKASHI Takahiro <takahiro.akashi@linaro.org> - 2017-05-12 02:30 +0200
          Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-12 18:00 +0200
            Re: [PATCH v6 3/5] test: add new driver_data load tester AKASHI Takahiro <takahiro.akashi@linaro.org> - 2017-05-17 11:10 +0200
              Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-17 17:40 +0200
      Re: [PATCH v6 3/5] test: add new driver_data load tester AKASHI Takahiro <takahiro.akashi@linaro.org> - 2017-05-12 02:20 +0200
        Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-12 18:00 +0200
          Re: [PATCH v6 3/5] test: add new driver_data load tester "Luis R. Rodriguez" <mcgrof@kernel.org> - 2017-05-13 20:50 +0200

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