From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: "Aneesh Kumar K.V" <aneesh.kumar@linux.ibm.com>,
linuxppc-dev@lists.ozlabs.org, mpe@ellerman.id.au
Cc: Sandipan Das <sandipan@linux.ibm.com>
Subject: Re: [PATCH v6 19/22] powerpc/book3s64/hash/kuap: Enable kuap on hash
Date: Mon, 15 Mar 2021 14:02:31 +0100 [thread overview]
Message-ID: <02869c06-a3e5-2f9e-50a4-9b1d63061401@csgroup.eu> (raw)
In-Reply-To: <cc0338af-da92-f6d5-c0fb-aca67a2cccc5@linux.ibm.com>
Le 15/03/2021 à 13:59, Aneesh Kumar K.V a écrit :
> On 3/15/21 5:36 PM, Christophe Leroy wrote:
>>
>>
>> Le 25/11/2020 à 06:16, Aneesh Kumar K.V a écrit :
>>> Reviewed-by: Sandipan Das <sandipan@linux.ibm.com>
>>> Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
>>
>> PPC_HAVE_KUAP is only selected on book3s/64 when PPC_RADIX_MMU is selected. Is that normal ?
>>
>
>
> I guess we missed fixing that with this patch. How about
Yes, looks good to me.
>
> modified arch/powerpc/platforms/Kconfig.cputype
> @@ -103,6 +103,8 @@ config PPC_BOOK3S_64
> select ARCH_SUPPORTS_NUMA_BALANCING
> select IRQ_WORK
> select PPC_MM_SLICES
> + select PPC_HAVE_KUEP
> + select PPC_HAVE_KUAP
>
> config PPC_BOOK3E_64
> bool "Embedded processors"
> @@ -365,8 +367,6 @@ config PPC_RADIX_MMU
> bool "Radix MMU Support"
> depends on PPC_BOOK3S_64
> select ARCH_HAS_GIGANTIC_PAGE
> - select PPC_HAVE_KUEP
> - select PPC_HAVE_KUAP
> default y
> help
> Enable support for the Power ISA 3.0 Radix style MMU. Currently this
>
>
>
>
>
> -aneesh
next prev parent reply other threads:[~2021-03-15 13:03 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-25 5:16 [PATCH v6 00/22] Kernel userspace access/execution prevention with hash translation Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 01/22] powerpc: Add new macro to handle NESTED_IFCLR Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 02/22] KVM: PPC: BOOK3S: PR: Ignore UAMOR SPR Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 03/22] powerpc/book3s64/kuap/kuep: Make KUAP and KUEP a subfeature of PPC_MEM_KEYS Aneesh Kumar K.V
2020-11-25 13:30 ` Christophe Leroy
2020-11-25 14:57 ` Aneesh Kumar K.V
2020-11-26 3:25 ` Michael Ellerman
2020-11-25 5:16 ` [PATCH v6 04/22] powerpc/book3s64/kuap/kuep: Move uamor setup to pkey init Aneesh Kumar K.V
2020-11-25 13:32 ` Christophe Leroy
2020-11-26 3:28 ` Michael Ellerman
2020-11-25 5:16 ` [PATCH v6 05/22] powerpc/book3s64/kuap: Move KUAP related function outside radix Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 06/22] powerpc/book3s64/kuep: Move KUEP " Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 07/22] powerpc/book3s64/kuap: Rename MMU_FTR_RADIX_KUAP to MMU_FTR_KUAP Aneesh Kumar K.V
2020-11-25 13:43 ` Christophe Leroy
2020-11-25 13:52 ` Aneesh Kumar K.V
2020-11-26 3:16 ` Michael Ellerman
2020-11-25 5:16 ` [PATCH v6 08/22] powerpc/book3s64/kuap: Use Key 3 for kernel mapping with hash translation Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 09/22] powerpc/exec: Set thread.regs early during exec Aneesh Kumar K.V
2020-11-25 13:47 ` Christophe Leroy
2020-11-26 7:38 ` Aneesh Kumar K.V
2020-11-26 7:43 ` Christophe Leroy
2020-11-25 5:16 ` [PATCH v6 10/22] powerpc/book3s64/pkeys: Store/restore userspace AMR/IAMR correctly on entry and exit from kernel Aneesh Kumar K.V
2020-11-25 13:52 ` Christophe Leroy
2020-11-25 13:55 ` Aneesh Kumar K.V
2020-11-25 14:16 ` Christophe Leroy
2020-11-25 5:16 ` [PATCH v6 11/22] powerpc/book3s64/pkeys: Inherit correctly on fork Aneesh Kumar K.V
2020-11-25 13:54 ` Christophe Leroy
2020-11-25 13:56 ` Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 12/22] powerpc/book3s64/pkeys: Reset userspace AMR correctly on exec Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 13/22] powerpc/ptrace-view: Use pt_regs values instead of thread_struct based one Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 14/22] powerpc/book3s64/pkeys: Don't update SPRN_AMR when in kernel mode Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 15/22] powerpc/book3s64/kuap: Restrict access to userspace based on userspace AMR Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 16/22] powerpc/book3s64/kuap: Improve error reporting with KUAP Aneesh Kumar K.V
2020-11-25 14:04 ` Christophe Leroy
2020-11-26 7:44 ` Aneesh Kumar K.V
2020-11-26 9:29 ` Michael Ellerman
2020-11-26 10:39 ` Christophe Leroy
2020-11-25 5:16 ` [PATCH v6 17/22] powerpc/book3s64/kuap: Use Key 3 to implement KUAP with hash translation Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 18/22] powerpc/book3s64/kuep: Use Key 3 to implement KUEP " Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 19/22] powerpc/book3s64/hash/kuap: Enable kuap on hash Aneesh Kumar K.V
2021-03-15 12:06 ` Christophe Leroy
2021-03-15 12:59 ` Aneesh Kumar K.V
2021-03-15 13:02 ` Christophe Leroy [this message]
2021-10-08 9:32 ` Christophe Leroy
2021-10-11 3:28 ` Michael Ellerman
2020-11-25 5:16 ` [PATCH v6 20/22] powerpc/book3s64/hash/kuep: Enable KUEP " Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 21/22] powerpc/book3s64/hash/kup: Don't hardcode kup key Aneesh Kumar K.V
2020-11-25 5:16 ` [PATCH v6 22/22] powerpc/book3s64/pkeys: Optimize FTR_KUAP and FTR_KUEP disabled case Aneesh Kumar K.V
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