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Mon, 29 Nov 2021 13:46:43 GMT Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 1E51F112062; Mon, 29 Nov 2021 13:46:43 +0000 (GMT) Received: from b01ledav004.gho.pok.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 282E3112075; Mon, 29 Nov 2021 13:46:42 +0000 (GMT) Received: from localhost (unknown [9.211.119.53]) by b01ledav004.gho.pok.ibm.com (Postfix) with ESMTPS; Mon, 29 Nov 2021 13:46:41 +0000 (GMT) From: Fabiano Rosas To: Nicholas Piggin , linuxppc-dev@lists.ozlabs.org Subject: Re: [PATCH v5 15/17] powerpc/64s: Make hash MMU support configurable In-Reply-To: <20211129030803.1888161-16-npiggin@gmail.com> References: <20211129030803.1888161-1-npiggin@gmail.com> <20211129030803.1888161-16-npiggin@gmail.com> Date: Mon, 29 Nov 2021 10:46:39 -0300 Message-ID: <877dcrqdkw.fsf@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: N-6TBv501eLFkRDr2eS2NYDoXIay1mTK X-Proofpoint-GUID: EROkXlaa0xUt4du6nQw3Rls812lWZhA0 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.790,Hydra:6.0.425,FMLib:17.0.607.475 definitions=2021-11-29_08,2021-11-28_01,2020-04-07_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 suspectscore=0 clxscore=1011 priorityscore=1501 lowpriorityscore=0 malwarescore=0 impostorscore=0 mlxlogscore=999 mlxscore=0 spamscore=0 phishscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2110150000 definitions=main-2111290068 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nicholas Piggin Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Nicholas Piggin writes: > This adds Kconfig selection which allows 64s hash MMU support to be > disabled. It can be disabled if radix support is enabled, the minimum > supported CPU type is POWER9 (or higher), and KVM is not selected. > > Signed-off-by: Nicholas Piggin > --- > arch/powerpc/Kconfig | 3 ++- > arch/powerpc/include/asm/mmu.h | 16 +++++++++++++--- > arch/powerpc/kernel/dt_cpu_ftrs.c | 14 ++++++++++---- > arch/powerpc/kvm/Kconfig | 1 + > arch/powerpc/mm/init_64.c | 13 +++++++++++-- > arch/powerpc/platforms/Kconfig.cputype | 23 +++++++++++++++++++++-- > arch/powerpc/platforms/cell/Kconfig | 1 + > arch/powerpc/platforms/maple/Kconfig | 1 + > arch/powerpc/platforms/microwatt/Kconfig | 2 +- > arch/powerpc/platforms/pasemi/Kconfig | 1 + > arch/powerpc/platforms/powermac/Kconfig | 1 + > arch/powerpc/platforms/powernv/Kconfig | 2 +- powernv_defconfig brings CONFIG_CXL=3Dm ../drivers/misc/cxl/main.c: In function =E2=80=98cxl_alloc_sst=E2=80=99:=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20 ../drivers/misc/cxl/main.c:127:45: error: =E2=80=98mmu_linear_psize=E2=80= =99 undeclared (first use in this function); did you mean =E2=80=98mmu_virt= ual_psize=E2=80=99?=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20 127 | sstp0 |=3D (SLB_VSID_KERNEL | mmu_psize_defs[mmu_linear_psize].sll= p) << 50;=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20 | ^~~~~~~~~~~~~~~~=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20 | mmu_virtual_psize=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20 ../drivers/misc/cxl/main.c:127:45: note: each undeclared identifier is repo= rted only once for each function it appears in=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20 make[4]: *** [../scripts/Makefile.build:287: drivers/misc/cxl/main.o] Error= 1=20