linux-kernel - Re: [PATCH v3 4/5] efi: call get_event

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Message-ID: <20170926114538.r5hsyc5osodpaals@linux.intel.com>
Date:   Tue, 26 Sep 2017 14:45:38 +0300
From:   Jarkko Sakkinen <jarkko.sakkinen@...ux.intel.com>
To:     Thiebaud Weksteen <tweek@...gle.com>
Cc:     linux-efi@...r.kernel.org, linux-integrity@...r.kernel.org,
        tpmdd-devel@...ts.sourceforge.net, ard.biesheuvel@...aro.org,
        matt@...eblueprint.co.uk, linux-kernel@...r.kernel.org,
        mjg59@...gle.com, peterhuewe@....de,
        jgunthorpe@...idianresearch.com, tpmdd@...horst.net
Subject: Re: [PATCH v3 4/5] efi: call get_event_log before ExitBootServices

On Wed, Sep 20, 2017 at 10:13:39AM +0200, Thiebaud Weksteen wrote:
> With TPM 2.0 specification, the event logs may only be accessible by
> calling an EFI Boot Service. Modify the EFI stub to copy the log area to
> a new Linux-specific EFI configuration table so it remains accessible
> once booted.
> 
> When calling this service, it is possible to specify the expected format
> of the logs: TPM 1.2 (SHA1) or TPM 2.0 ("Crypto Agile"). For now, only the
> first format is retrieved.
> 
> Signed-off-by: Thiebaud Weksteen <tweek@...gle.com>

Does not apply:

Applying: tpm: move tpm_eventlog.h outside of drivers folder
Applying: tpm: rename event log provider files
Applying: tpm: add event log format version
Applying: efi: call get_event_log before ExitBootServices
error: sha1 information is lacking or useless (drivers/firmware/efi/efi.c).
error: could not build fake ancestor
Patch failed at 0004 efi: call get_event_log before ExitBootServices
The copy of the patch that failed is found in: .git/rebase-apply/patch
When you have resolved this problem, run "git am --continue".
If you prefer to skip this patch, run "git am --skip" instead.
To restore the original branch and stop patching, run "git am --abort".

Just rebased my tree to the latest security-next.

/Jarkko