[PATCH AUTOSEL 4.20 028/304] srcu: Prevent __call_srcu() counter wrap with read-side critical section

2019-01-28 Thread Sasha Levin
From: "Paul E. McKenney" [ Upstream commit 0607ba8403c4cdb253f8c5200ecf654dfb7790cc ] Ever since cdf7abc4610a ("srcu: Allow use of Tiny/Tree SRCU from both process and interrupt context"), it has been permissible to use SRCU read-side critical sections in interrupt context. This allows

Re: [PATCH AUTOSEL 4.20 028/304] srcu: Prevent __call_srcu() counter wrap with read-side critical section

2019-01-28 Thread Sasha Levin
On Mon, Jan 28, 2019 at 08:23:18AM -0800, Paul E. McKenney wrote: On Mon, Jan 28, 2019 at 10:39:05AM -0500, Sasha Levin wrote: From: "Paul E. McKenney" [ Upstream commit 0607ba8403c4cdb253f8c5200ecf654dfb7790cc ] Ever since cdf7abc4610a ("srcu: Allow use of Tiny/Tree SRCU from both process

Re: [PATCH AUTOSEL 4.20 028/304] srcu: Prevent __call_srcu() counter wrap with read-side critical section

2019-01-28 Thread Paul E. McKenney
On Mon, Jan 28, 2019 at 10:39:05AM -0500, Sasha Levin wrote: > From: "Paul E. McKenney" > > [ Upstream commit 0607ba8403c4cdb253f8c5200ecf654dfb7790cc ] > > Ever since cdf7abc4610a ("srcu: Allow use of Tiny/Tree SRCU from > both process and interrupt context"), it has been permissible > to use