Messages in this thread | | | Date | Mon, 05 Aug 2019 23:11:01 +0300 | From | Jari Ruusu <> | Subject | Re: [PATCH 4.9 00/42] 4.9.188-stable review |
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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
-- Jari Ruusu 4096R/8132F189 12D6 4C3A DCDA 0AA4 27BD ACDF F073 3C80 8132 F189
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