On Mon, Aug 05, 2019 at 11:11:01PM +0300, Jari Ruusu wrote:
> Greg Kroah-Hartman wrote:
> > This is the start of the stable review cycle for the 4.9.188 release.
>
> Peter Zijlstra's "x86/atomic: Fix smp_mb__{before,after}_atomic()"
> upstream commit 69d927bba39517d0980462efc051875b7f4db185 seems to
> be missing/lost from 4.9 and older stable kernels.
>
> That patch has 10 hunks, first one of those does not apply cleanly to
> 4.9 kernel because it attempts to modify Documentation/atomic_t.txt
> file which does not exist in older kernels. Other 9 hunks apply with
> small offsets and fuzz, but modifications find their correct places anyway.
> Those other 9 hunks are the important ones, first hunk can be ignored.
>
> Greg,
> Please take Peter Zijlstra's original patch and "force" apply it like this
> to 4.9 kernels:
>
> patch -p1 -f <ORIGINAL.patch
>
> and for 4.4 kernels like this:
>
> cat ORIGINAL.patch | sed -e 's/__smp_mb__/smp_mb__/' | patch -p1 -f -l
Can you send properly backported and tested patches?
thanks,
greg k-h
