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Violators will be prosecuted; (version=TLSv1/SSLv3 cipher=AES256-GCM-SHA384 bits=256/256) Thu, 18 Jul 2019 20:47:18 +0100 Received: from b01ledav005.gho.pok.ibm.com (b01ledav005.gho.pok.ibm.com [9.57.199.110]) by b01cxnp23032.gho.pok.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id x6IJlHl035455434 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 18 Jul 2019 19:47:17 GMT Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 35C1EAE064; Thu, 18 Jul 2019 19:47:17 +0000 (GMT) Received: from b01ledav005.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id B8940AE05C; Thu, 18 Jul 2019 19:47:13 +0000 (GMT) Received: from morokweng.localdomain (unknown [9.85.186.82]) by b01ledav005.gho.pok.ibm.com (Postfix) with ESMTPS; Thu, 18 Jul 2019 19:47:13 +0000 (GMT) References: <20190712053631.9814-1-bauerman@linux.ibm.com> <20190712053631.9814-3-bauerman@linux.ibm.com> User-agent: mu4e 1.2.0; emacs 26.2 From: Thiago Jung Bauermann To: Thomas Gleixner Cc: x86@kernel.org, iommu@lists.linux-foundation.org, linux-fsdevel@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org, Ingo Molnar , Borislav Petkov , "H. Peter Anvin" , Christoph Hellwig , Marek Szyprowski , Robin Murphy , Konrad Rzeszutek Wilk , Alexey Dobriyan , Halil Pasic , Mike Anderson , Ram Pai Subject: Re: [PATCH 2/3] DMA mapping: Move SME handling to x86-specific files In-reply-to: Date: Thu, 18 Jul 2019 16:47:09 -0300 MIME-Version: 1.0 Content-Type: text/plain X-TM-AS-GCONF: 00 x-cbid: 19071819-2213-0000-0000-000003B2DB12 X-IBM-SpamModules-Scores: X-IBM-SpamModules-Versions: BY=3.00011453; HX=3.00000242; KW=3.00000007; PH=3.00000004; SC=3.00000287; SDB=6.01234063; UDB=6.00650301; IPR=6.01015390; MB=3.00027784; MTD=3.00000008; XFM=3.00000015; UTC=2019-07-18 19:47:21 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 19071819-2214-0000-0000-00005F4C56EA Message-Id: <878ssv3z2a.fsf@morokweng.localdomain> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:,, definitions=2019-07-18_09:,, signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1015 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1810050000 definitions=main-1907180202 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas Gleixner writes: > On Fri, 12 Jul 2019, Thiago Jung Bauermann wrote: >> diff --git a/include/linux/mem_encrypt.h b/include/linux/mem_encrypt.h >> index b310a9c18113..f2e399fb626b 100644 >> --- a/include/linux/mem_encrypt.h >> +++ b/include/linux/mem_encrypt.h >> @@ -21,23 +21,11 @@ >> >> #else /* !CONFIG_ARCH_HAS_MEM_ENCRYPT */ >> >> -#define sme_me_mask 0ULL >> - >> -static inline bool sme_active(void) { return false; } >> static inline bool sev_active(void) { return false; } > > You want to move out sev_active as well, the only relevant thing is > mem_encrypt_active(). Everything SME/SEV is an architecture detail. I'm sure you saw it. I addressed sev_active in a separate patch. Thanks for reviewing this series! >> +static inline bool mem_encrypt_active(void) { return false; } > > Thanks, > > tglx -- Thiago Jung Bauermann IBM Linux Technology Center