Re: [PATCH 1/3] s390/vdso: fix tod clock steering

2021-03-24 Thread Heiko Carstens
On Tue, Mar 23, 2021 at 10:58:17PM +0100, Heiko Carstens wrote: > The s390 specific vdso function __arch_get_hw_counter() is supposed to > consider tod clock steering. > > If a tod clock steering event happens and the tod clock is set to a > new value __arch_get_hw_counter() will not return the

[PATCH 1/3] s390/vdso: fix tod clock steering

2021-03-23 Thread Heiko Carstens
The s390 specific vdso function __arch_get_hw_counter() is supposed to consider tod clock steering. If a tod clock steering event happens and the tod clock is set to a new value __arch_get_hw_counter() will not return the real tod clock value but slowly drift it from the old delta until the