On Wed, Aug 30, 2017 at 01:06:09PM +0800, Leo Yan wrote: > commit fa8d815fac96e7c9247783d5a1f8fa4685b3c543 upstream. > > Cortex-A73 (all versions) counter read can return a wrong value > when the counter crosses a 32bit boundary. > > The workaround involves performing the read twice, and to return > one or the other depending on whether a transition has taken place. > > Signed-off-by: Marc Zyngier <marc.zyngier@xxxxxxx> > Signed-off-by: Leo Yan <leo.yan@xxxxxxxxxx> > --- > arch/arm64/Kconfig | 12 ++++++++++++ > arch/arm64/include/asm/arch_timer.h | 11 +++++++++++ > 2 files changed, 23 insertions(+) Why [RESEND] ? And what stable kernel tree(s) do you want this to be applied to? thanks, greg k-h