Re: [PATCH 7/9] s390/vtime: Use __this_cpu_read() / get rid of READ_ONCE()

[Frederic Weisbecker]

Le Wed, Feb 18, 2026 at 03:20:10PM +0100, Heiko Carstens a écrit :
> do_account_vtime() runs always with interrupts disabled, therefore use
> __this_cpu_read() instead of this_cpu_read() to get rid of a pointless
> preempt_disable() / preempt_enable() pair.
> 
> Also there are no concurrent writers to the cpu time accounting fields
> in lowcore. Therefore get rid of READ_ONCE() usages.
> 
> Signed-off-by: Heiko Carstens <hca@xxxxxxxxxxxxx>

Reviewed-by: Frederic Weisbecker <frederic@xxxxxxxxxx>

-- 
Frederic Weisbecker
SUSE Labs