From: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
To: "Williams, Dan J" <dan.j.williams@intel.com>,
"Weiny, Ira" <ira.weiny@intel.com>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"peterz@infradead.org" <peterz@infradead.org>,
"nvdimm@lists.linux.dev" <nvdimm@lists.linux.dev>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"linux-mm@kvack.org" <linux-mm@kvack.org>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"x86@kernel.org" <x86@kernel.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"mingo@redhat.com" <mingo@redhat.com>,
"Lutomirski, Andy" <luto@kernel.org>,
"bp@alien8.de" <bp@alien8.de>
Subject: Re: [PATCH V7 12/18] x86/pks: Add PKS fault callbacks
Date: Wed, 11 Aug 2021 21:18:26 +0000 [thread overview]
Message-ID: <1bb543ebdf5458e90bff97698ee3a1cf69f89aa1.camel@intel.com> (raw)
In-Reply-To: <20210804043231.2655537-13-ira.weiny@intel.com>
On Tue, 2021-08-03 at 21:32 -0700, ira.weiny@intel.com wrote:
> +static const pks_key_callback
> pks_key_callbacks[PKS_KEY_NR_CONSUMERS] = { 0 };
> +
> +bool handle_pks_key_callback(unsigned long address, bool write, u16
> key)
> +{
> + if (key > PKS_KEY_NR_CONSUMERS)
> + return false;
Good idea, should be >= though?
> +
> + if (pks_key_callbacks[key])
> + return pks_key_callbacks[key](address, write);
> +
> + return false;
> +}
> +
Otherwise, I've rebased on this series and didn't hit any problems.
Thanks.
next prev parent reply other threads:[~2021-08-11 21:18 UTC|newest]
Thread overview: 42+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-04 4:32 [PATCH V7 00/18] PKS/PMEM: Add Stray Write Protection ira.weiny
2021-08-04 4:32 ` [PATCH V7 01/18] x86/pkeys: Create pkeys_common.h ira.weiny
2021-08-04 4:32 ` [PATCH V7 02/18] x86/fpu: Refactor arch_set_user_pkey_access() ira.weiny
2021-11-25 14:23 ` Thomas Gleixner
2021-08-04 4:32 ` [PATCH V7 03/18] x86/pks: Add additional PKEY helper macros ira.weiny
2021-11-25 14:25 ` Thomas Gleixner
2021-11-25 16:58 ` Thomas Gleixner
2021-12-08 0:51 ` Ira Weiny
2021-12-08 15:11 ` Thomas Gleixner
2021-08-04 4:32 ` [PATCH V7 04/18] x86/pks: Add PKS defines and Kconfig options ira.weiny
2021-08-04 4:32 ` [PATCH V7 05/18] x86/pks: Add PKS setup code ira.weiny
2021-11-25 15:15 ` Thomas Gleixner
2021-11-26 3:11 ` taoyi.ty
2021-11-26 9:57 ` Thomas Gleixner
2021-11-26 11:03 ` Thomas Gleixner
2021-08-04 4:32 ` [PATCH V7 06/18] x86/fault: Adjust WARN_ON for PKey fault ira.weiny
2021-08-04 4:32 ` [PATCH V7 07/18] x86/pks: Preserve the PKRS MSR on context switch ira.weiny
2021-11-25 15:25 ` Thomas Gleixner
2021-08-04 4:32 ` [PATCH V7 08/18] x86/entry: Preserve PKRS MSR across exceptions ira.weiny
2021-11-13 0:50 ` Ira Weiny
2021-11-25 11:19 ` Thomas Gleixner
2021-12-03 1:13 ` Andy Lutomirski
2021-11-25 14:12 ` Thomas Gleixner
2021-12-07 1:54 ` Ira Weiny
2021-12-07 4:45 ` Ira Weiny
2021-12-08 0:21 ` Thomas Gleixner
2021-08-04 4:32 ` [PATCH V7 09/18] x86/pks: Add PKS kernel API ira.weiny
2021-08-04 4:32 ` [PATCH V7 10/18] x86/pks: Introduce pks_abandon_protections() ira.weiny
2021-08-04 4:32 ` [PATCH V7 11/18] x86/pks: Add PKS Test code ira.weiny
2021-08-04 4:32 ` [PATCH V7 12/18] x86/pks: Add PKS fault callbacks ira.weiny
2021-08-11 21:18 ` Edgecombe, Rick P [this message]
2021-08-17 3:21 ` Ira Weiny
2021-08-04 4:32 ` [PATCH V7 13/18] memremap_pages: Add access protection via supervisor Protection Keys (PKS) ira.weiny
2021-08-04 4:32 ` [PATCH V7 14/18] memremap_pages: Add memremap.pks_fault_mode ira.weiny
2021-08-04 4:57 ` Randy Dunlap
2021-08-07 19:32 ` Ira Weiny
2021-08-11 19:01 ` Edgecombe, Rick P
2021-08-17 3:12 ` Ira Weiny
2021-08-04 4:32 ` [PATCH V7 15/18] kmap: Add stray access protection for devmap pages ira.weiny
2021-08-04 4:32 ` [PATCH V7 16/18] dax: Stray access protection for dax_direct_access() ira.weiny
2021-08-04 4:32 ` [PATCH V7 17/18] nvdimm/pmem: Enable stray access protection ira.weiny
2021-08-04 4:32 ` [PATCH V7 18/18] devdax: " ira.weiny
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