[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 01/15] s390x: Cleanup cpu resets
From: |
Cornelia Huck |
Subject: |
Re: [PATCH 01/15] s390x: Cleanup cpu resets |
Date: |
Thu, 21 Nov 2019 13:18:45 +0100 |
On Thu, 21 Nov 2019 12:32:38 +0100
Janosch Frank <address@hidden> wrote:
> On 11/21/19 12:10 PM, Cornelia Huck wrote:
> > On Wed, 20 Nov 2019 06:43:20 -0500
> > Janosch Frank <address@hidden> wrote:
> >
> >> Let's move the resets into one function and switch by type, so we can
> >> use fallthroughs for shared reset actions.
> >
> > Doing that makes sense.
> >
> >>
> >> Signed-off-by: Janosch Frank <address@hidden>
> >> ---
> >> hw/s390x/s390-virtio-ccw.c | 3 +
> >> target/s390x/cpu.c | 111 ++++++++++++++++---------------------
> >> 2 files changed, 52 insertions(+), 62 deletions(-)
> >>
> >> diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
> >> index d3edeef0ad..c1d1440272 100644
> >> --- a/hw/s390x/s390-virtio-ccw.c
> >> +++ b/hw/s390x/s390-virtio-ccw.c
> >> @@ -348,6 +348,9 @@ static void s390_machine_reset(MachineState *machine)
> >> break;
> >> case S390_RESET_LOAD_NORMAL:
> >> CPU_FOREACH(t) {
> >> + if (t == cs) {
> >> + continue;
> >> + }
> >
> > Hm, why is this needed now?
>
> The Ultravisor checks which reset is done to which cpu.
> So blindly resetting the calling cpu with a normal reset to then do a
> clear/initial reset will return an error.
Let's split this change out, then? The rest of the patch is a simple
refactoring.
pgp2kVlIT4rWf.pgp
Description: OpenPGP digital signature
[PATCH 03/15] s390x: protvirt: Add diag308 subcodes 8 - 10, Janosch Frank, 2019/11/20
[PATCH 05/15] s390x: protvirt: Sync PV state, Janosch Frank, 2019/11/20