From: Dave Hansen <dave.hansen@intel.com>
To: Jacob Pan <jacob.jun.pan@linux.intel.com>
Cc: LKML <linux-kernel@vger.kernel.org>,
iommu@lists.linux.dev, x86@kernel.org,
Joerg Roedel <joro@8bytes.org>,
Lu Baolu <baolu.lu@linux.intel.com>,
Raj Ashok <ashok.raj@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Borislav Petkov <bp@alien8.de>, Ingo Molnar <mingo@redhat.com>,
"Tian, Kevin" <kevin.tian@intel.com>, Yi Liu <yi.l.liu@intel.com>
Subject: Re: [PATCH 2/2] iommu: Use the user PGD for SVA if PTI is enabled
Date: Mon, 22 Aug 2022 16:25:36 -0700 [thread overview]
Message-ID: <3bfa9a4b-d09a-bb23-f66c-55166350c6f0@intel.com> (raw)
In-Reply-To: <20220822162454.490ad1f2@jacob-builder>
On 8/22/22 16:24, Jacob Pan wrote:
> Sounds good. I thought about a helper also, thinking there are so many other
> cpu_has(X86_FEATURE_PTI) checks already :)
Yes, but almost all of those are in PTI-#ifdef'd code already.
next prev parent reply other threads:[~2022-08-22 23:25 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-22 20:12 [PATCH 0/2] Use the correct page tables for SVA under PTI Jacob Pan
2022-08-22 20:12 ` [PATCH 1/2] x86: mm: Allow PTI helpers to be used outside x86/mm Jacob Pan
2022-08-22 20:12 ` [PATCH 2/2] iommu: Use the user PGD for SVA if PTI is enabled Jacob Pan
2022-08-22 22:31 ` Dave Hansen
2022-08-22 23:24 ` Jacob Pan
2022-08-22 23:25 ` Dave Hansen [this message]
2022-08-31 0:57 ` Baolu Lu
2022-08-30 17:08 ` [PATCH 0/2] Use the correct page tables for SVA under PTI Jacob Pan
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