Re: [PATCH v2] kheaders: making headers archive reproducible

[gregkh@xxxxxxxxxxxxxxxxxxx]

On Fri, Oct 04, 2019 at 10:40:07AM +0000, Dmitry Goldin wrote:
> From: Dmitry Goldin <dgoldin+lkml@xxxxxxxxxxxxx>
> 
> In commit 43d8ce9d65a5 ("Provide in-kernel headers to make
> extending kernel easier") a new mechanism was introduced, for kernels
> >=5.2, which embeds the kernel headers in the kernel image or a module
> and exposes them in procfs for use by userland tools.
> 
> The archive containing the header files has nondeterminism caused by
> header files metadata. This patch normalizes the metadata and utilizes
> KBUILD_BUILD_TIMESTAMP if provided and otherwise falls back to the
> default behaviour.
> 
> In commit f7b101d33046 ("kheaders: Move from proc to sysfs") it was
> modified to use sysfs and the script for generation of the archive was
> renamed to what is being patched.
> 
> Signed-off-by: Dmitry Goldin <dgoldin+lkml@xxxxxxxxxxxxx>


Reviewed-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>