From: Fabiano Rosas <farosas@linux.ibm.com>
To: Nicholas Piggin <npiggin@gmail.com>, linuxppc-dev@lists.ozlabs.org
Cc: Nicholas Piggin <npiggin@gmail.com>
Subject: Re: [PATCH v5 15/17] powerpc/64s: Make hash MMU support configurable
Date: Mon, 29 Nov 2021 10:46:39 -0300 [thread overview]
Message-ID: <877dcrqdkw.fsf@linux.ibm.com> (raw)
In-Reply-To: <20211129030803.1888161-16-npiggin@gmail.com>
Nicholas Piggin <npiggin@gmail.com> 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 <npiggin@gmail.com>
> ---
> 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=m
../drivers/misc/cxl/main.c: In function ‘cxl_alloc_sst’:
../drivers/misc/cxl/main.c:127:45: error: ‘mmu_linear_psize’ undeclared (first use in this function); did you mean ‘mmu_virtual_psize’?
127 | sstp0 |= (SLB_VSID_KERNEL | mmu_psize_defs[mmu_linear_psize].sllp) << 50;
| ^~~~~~~~~~~~~~~~
| mmu_virtual_psize
../drivers/misc/cxl/main.c:127:45: note: each undeclared identifier is reported only once for each function it appears in
make[4]: *** [../scripts/Makefile.build:287: drivers/misc/cxl/main.o] Error 1
next prev parent reply other threads:[~2021-11-29 13:47 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-11-29 3:07 [PATCH v5 00/17] powerpc: Make hash MMU code build configurable Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 01/17] powerpc: Remove unused FW_FEATURE_NATIVE references Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 02/17] powerpc: Rename PPC_NATIVE to PPC_HASH_MMU_NATIVE Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 03/17] powerpc/pseries: Stop selecting PPC_HASH_MMU_NATIVE Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 04/17] powerpc/64s: Move and rename do_bad_slb_fault as it is not hash specific Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 05/17] powerpc/pseries: move process table registration away from hash-specific code Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 06/17] powerpc/pseries: lparcfg don't include slb_size line in radix mode Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 07/17] powerpc/64s: move THP trace point creation out of hash specific file Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 08/17] powerpc/64s: Make flush_and_reload_slb a no-op when radix is enabled Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 09/17] powerpc/64s: move page size definitions from hash specific file Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 10/17] powerpc/64s: Rename hash_hugetlbpage.c to hugetlbpage.c Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 11/17] powerpc/64: pcpu setup avoid reading mmu_linear_psize on 64e or radix Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 12/17] powerpc: make memremap_compat_align 64s-only Nicholas Piggin
2021-11-29 3:07 ` [PATCH v5 13/17] powerpc/64e: remove mmu_linear_psize Nicholas Piggin
2021-11-29 3:08 ` [PATCH v5 14/17] powerpc/64s: Fix radix MMU when MMU_FTR_HPTE_TABLE is clear Nicholas Piggin
2021-11-29 3:08 ` [PATCH v5 15/17] powerpc/64s: Make hash MMU support configurable Nicholas Piggin
2021-11-29 13:46 ` Fabiano Rosas [this message]
2021-12-01 5:13 ` Nicholas Piggin
2021-11-29 3:08 ` [PATCH v5 16/17] powerpc/64s: Move hash MMU support code under CONFIG_PPC_64S_HASH_MMU Nicholas Piggin
2021-11-29 3:08 ` [PATCH v5 17/17] powerpc/microwatt: add POWER9_CPU, clear PPC_64S_HASH_MMU Nicholas Piggin
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