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Fri, 14 Jan 2022 12:50:52 +0000 (GMT) Message-ID: Subject: Re: [kvm-unit-tests PATCH 4/5] s390x: smp: Allocate memory in DMA31 space From: Nico Boehr To: Janosch Frank , kvm@vger.kernel.org Cc: linux-s390@vger.kernel.org, imbrenda@linux.ibm.com, david@redhat.com, thuth@redhat.com, cohuck@redhat.com Date: Fri, 14 Jan 2022 13:50:52 +0100 In-Reply-To: <20220114100245.8643-5-frankja@linux.ibm.com> References: <20220114100245.8643-1-frankja@linux.ibm.com> <20220114100245.8643-5-frankja@linux.ibm.com> Content-Type: text/plain; charset="UTF-8" User-Agent: Evolution 3.42.2 (3.42.2-1.fc35) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: XrZg8X7AxGoCZD58esJ8AgIPu1DcbPTL X-Proofpoint-ORIG-GUID: yBORm3wzsosnMdPbvKbSTM5RNSfgKkqB X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.816,Hydra:6.0.425,FMLib:17.11.62.513 definitions=2022-01-14_04,2022-01-14_01,2021-12-02_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 mlxscore=0 mlxlogscore=999 impostorscore=0 malwarescore=0 adultscore=0 clxscore=1015 bulkscore=0 spamscore=0 priorityscore=1501 lowpriorityscore=0 suspectscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2201140083 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Fri, 2022-01-14 at 10:02 +0000, Janosch Frank wrote: > The store status at address order works with 31 bit addresses so > let's > use them. > > Signed-off-by: Janosch Frank > --- >  s390x/smp.c | 4 ++-- >  1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/s390x/smp.c b/s390x/smp.c > index 32f128b3..c91f170b 100644 > --- a/s390x/smp.c > +++ b/s390x/smp.c [...] > @@ -244,7 +244,7 @@ static void test_func_initial(void) >   >  static void test_reset_initial(void) >  { > -       struct cpu_status *status = alloc_pages(0); > +       struct cpu_status *status = alloc_pages_flags(1, AREA_DMA31); Why do we need two pages now?