On Wed, May 13, 2026 at 12:38:01PM +0200, Thorsten Leemhuis wrote: > On 5/11/26 19:54, Uladzislau Rezki (Sony) wrote: > > From: "Paul E. McKenney" <[email protected]> > > > > While an srcu_struct structure is in the midst of switching from CPU-0 > > to all-CPUs state, it can attempt to invoke callbacks for CPUs that > > have never been online. Worse yet, it can attempt in invoke callbacks > > for CPUs that never will be online, even including imaginary CPUs not in > > cpu_possible_mask. This can cause hangs on s390, > > Uladzislau, Paul, according to the fixes tag below this change fixes a > change that went into 7.0-rc6 -- and apparently causes a "hang" on some > architectures. So shouldn't this be heading to mainline instead of > -next? Ideally with a stable tag to ensure backporting to 7.0.y, but > that is a separate decision? > I assume it will be picked to stable since there is a "Fixes:" tag. From the other hand i can explicitly update commit message with Cc: [email protected]
Paul, any thoughts? -- Uladzislau Rezki

