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Thu, 29 Jul 2021 14:23:06 +0000 (GMT) Received: from d06av23.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0038AA405D; Thu, 29 Jul 2021 14:23:05 +0000 (GMT) Received: from p-imbrenda (unknown [9.145.1.151]) by d06av23.portsmouth.uk.ibm.com (Postfix) with ESMTP; Thu, 29 Jul 2021 14:23:05 +0000 (GMT) Date: Thu, 29 Jul 2021 16:11:53 +0200 From: Claudio Imbrenda To: Janosch Frank Cc: kvm@vger.kernel.org, linux-s390@vger.kernel.org, david@redhat.com, thuth@redhat.com, cohuck@redhat.com Subject: Re: [kvm-unit-tests PATCH 2/4] s390x: lib: Introduce HPAGE_* constants Message-ID: <20210729161153.353473d8@p-imbrenda> In-Reply-To: <20210729134803.183358-3-frankja@linux.ibm.com> References: <20210729134803.183358-1-frankja@linux.ibm.com> <20210729134803.183358-3-frankja@linux.ibm.com> Organization: IBM X-Mailer: Claws Mail 3.17.8 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: ucGsK6RxvZfzztGTK9ApYdsQm65qY4Ue X-Proofpoint-ORIG-GUID: 6EqOFFVNOj3tgjNHIMIZFCtCvA1AGHyk X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.391,18.0.790 definitions=2021-07-29_10:2021-07-29,2021-07-29 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 clxscore=1015 priorityscore=1501 phishscore=0 malwarescore=0 spamscore=0 suspectscore=0 lowpriorityscore=0 impostorscore=0 mlxscore=0 mlxlogscore=999 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2107140000 definitions=main-2107290089 Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Thu, 29 Jul 2021 13:48:01 +0000 Janosch Frank wrote: > They come in handy when working with 1MB blocks/addresses. > > Signed-off-by: Janosch Frank Reviewed-by: Claudio Imbrenda > --- > lib/s390x/asm/page.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/lib/s390x/asm/page.h b/lib/s390x/asm/page.h > index f130f936..2f4afd06 100644 > --- a/lib/s390x/asm/page.h > +++ b/lib/s390x/asm/page.h > @@ -35,4 +35,8 @@ typedef struct { pteval_t pte; } pte_t; > #define __pmd(x) ((pmd_t) { (x) } ) > #define __pte(x) ((pte_t) { (x) } ) > > +#define HPAGE_SHIFT 20 > +#define HPAGE_SIZE (_AC(1,UL) << HPAGE_SHIFT) > +#define HPAGE_MASK (~(HPAGE_SIZE-1)) > + > #endif