On Thu, Mar 04, 2021 at 12:52:00AM -0600, Nishanth Menon wrote:
> Cryptodev out of kernel module and suite has yet another set of
> challenge with broken API compatibility. However, the complete list of
> patches beteween dunfell's default 1.10 and current latest 1.12 revisions:
>  e0c25e289d6b (tag: cryptodev-linux-1.12) Release version 1.12
>  55c6315058fc Fix build for Linux 5.11-rc1
>  2f5e08aebf92 Fix build for Linux 5.9-rc1
>  e8263d2d682b remove VLA usage from authenc.c
>  dafa42cadc86 Fix for change in Kernel 4.4.168
>  f4d3653c8dcb Release version 1.11
>  9e765068582a Fix build for Linux 5.8-rc1
>  7e72f6758f2d enabled the support for TLS1.1 - AES128-SHA1 - AES256-SHA1
>  98b163a23f6b cryptlib.c: fix build on kernel v5.5+
>  a1e738aef624 tests: cipher-aead-srtp: Fix cao->dst alignment
>  f971e0cd4a0e Fix module loading with Linux v5.0-rc5
> 
> We have the following choices
> 1) just cherry-pick minimum set of kernel patches relevant for kernel
> compatibility
> OR
> 2) switch to a newer version with richer set of fixups
> 
> Attempting to switch to 1.12 version with minimal changes as a better
> option to get a wider swath of kernel compatibility.
> 
> Signed-off-by: Nishanth Menon <n...@ti.com>
> ---
> 
> DISCLAIMER: This is probably a dumb way of switching to 1.12.. open to
> suggestions.

It is still probably the cleanest - just 2 vars in 3 bbappends. You might want 
to mention that you need this for 5.10 (or 5.9+) kernel upgrade.

The issue is due to upgrading the kernel from one LTS to the next, while 
staying on the older Yocto LTS, which was 5.4-specific... BTW, I haven't yet 
reviewed your meta-ti patches, will do that next.


> NOTE:
> a) master is already on 1.12 -> So, I am suggesting this only for dunfell at 
> the
> moment: 
> http://git.openembedded.org/openembedded-core/tree/meta/recipes-kernel/cryptodev?h=master
> 
> b) gatesgarth is on 1.11 -> we wont get the fixes needed for newer
> kernel, so a variant of this will be needed.. 
> http://git.openembedded.org/openembedded-core/tree/meta/recipes-kernel/cryptodev?h=gatesgarth
> 
> c) dunfell is still on 1.10 -> Same story as gatesgarth.. 
> http://git.openembedded.org/openembedded-core/tree/meta/recipes-kernel/cryptodev?h=dunfell
> 
>  .../recipes-kernel/cryptodev/cryptodev-linux_%.bbappend     | 5 +++++
>  .../recipes-kernel/cryptodev/cryptodev-module_%.bbappend    | 5 +++++
>  .../recipes-kernel/cryptodev/cryptodev-tests_%.bbappend     | 6 ++++++
>  3 files changed, 16 insertions(+)
>  create mode 100644 
> meta-arago-distro/recipes-kernel/cryptodev/cryptodev-linux_%.bbappend
>  create mode 100644 
> meta-arago-distro/recipes-kernel/cryptodev/cryptodev-tests_%.bbappend
> 
> diff --git 
> a/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-linux_%.bbappend 
> b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-linux_%.bbappend
> new file mode 100644
> index 000000000000..a3fb634463fd
> --- /dev/null
> +++ b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-linux_%.bbappend
> @@ -0,0 +1,5 @@
> +# Bring in fixes including 
> https://github.com/cryptodev-linux/cryptodev-linux/pull/55
> +# just pull 1.12 revision, everything else remains the same.
> +PR = "1.12"

PV here. Stands for Package Version. And PR is for Package Revision (i.e. 
repackaging of the same version)


> +PR_append = ".arago0"

Not necessarily needed, if PV is set correctly _and_ SRCREV matches the one 
from OE-Core master for 1.12.


> +SRCREV = "e0c25e289d6baf1d83c2b9cb523d3bc237d0c0c9"
> diff --git 
> a/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-module_%.bbappend 
> b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-module_%.bbappend
> index f8a35cd73765..602ada0daf3a 100644
> --- a/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-module_%.bbappend
> +++ b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-module_%.bbappend
> @@ -1,3 +1,8 @@
> +# Bring in fixes including 
> https://github.com/cryptodev-linux/cryptodev-linux/pull/55
> +# just pull 1.12 revision, everything else remains the same.
> +
> +PR = "1.12"

Same.


>  PR_append = ".arago0"

This one was already there due to KERNEL_MODULE_AUTOLOAD below.


> +SRCREV = "e0c25e289d6baf1d83c2b9cb523d3bc237d0c0c9"
>  
>  KERNEL_MODULE_AUTOLOAD += "cryptodev"
> diff --git 
> a/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-tests_%.bbappend 
> b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-tests_%.bbappend
> new file mode 100644
> index 000000000000..dee8f40862cb
> --- /dev/null
> +++ b/meta-arago-distro/recipes-kernel/cryptodev/cryptodev-tests_%.bbappend
> @@ -0,0 +1,6 @@
> +# Bring in fixes including 
> https://github.com/cryptodev-linux/cryptodev-linux/pull/55
> +# just pull 1.12 revision, everything else remains the same.
> +
> +PR = "1.12"

Same.


> +PR_append = ".arago0"

Same.


> +SRCREV = "e0c25e289d6baf1d83c2b9cb523d3bc237d0c0c9"
> -- 
> 2.25.1.377.g2d2118b814c1
> 
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> 

-- 
Regards,
Denys Dmytriyenko <de...@denix.org>
PGP: 0x420902729A92C964 - https://denix.org/0x420902729A92C964
Fingerprint: 25FC E4A5 8A72 2F69 1186  6D76 4209 0272 9A92 C964
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