From: Dave Hansen <dave.hansen@intel.com>
To: Baolu Lu <baolu.lu@linux.intel.com>,
syzbot ci <syzbot+cid009622971eb4566@syzkaller.appspotmail.com>,
akpm@linux-foundation.org, apopple@nvidia.com, bp@alien8.de,
dave.hansen@linux.intel.com, david@redhat.com,
iommu@lists.linux.dev, jannh@google.com,
jean-philippe@linaro.org, jgg@nvidia.com, joro@8bytes.org,
kevin.tian@intel.com, liam.howlett@oracle.com,
linux-kernel@vger.kernel.org, linux-mm@kvack.org,
lorenzo.stoakes@oracle.com, luto@kernel.org, mhocko@kernel.org,
mingo@redhat.com, peterz@infradead.org, robin.murphy@arm.com,
rppt@kernel.org, security@kernel.org, stable@vger.kernel.org,
tglx@linutronix.de, urezki@gmail.com, vasant.hegde@amd.com,
vbabka@suse.cz, will@kernel.org, willy@infradead.org,
x86@kernel.org, yi1.lai@intel.com
Cc: syzbot@lists.linux.dev, syzkaller-bugs@googlegroups.com
Subject: Re: [syzbot ci] Re: Fix stale IOTLB entries for kernel address space
Date: Fri, 17 Oct 2025 10:05:26 -0700 [thread overview]
Message-ID: <f170f6d5-a1f7-4dde-b966-6d6a5aa18f21@intel.com> (raw)
In-Reply-To: <8cdb459f-f7d1-4ca0-a6a0-5c83d5092cd8@linux.intel.com>
On 10/16/25 01:00, Baolu Lu wrote:
> while, in this patch, we need the page descriptor that a pmd entry
> points to. Perhaps we should roll back to the previous approach used in
> v5?
Yeah, we should roll back to what v5 did. pmd_ptdesc() is a bit deceiving.
next prev parent reply other threads:[~2025-10-17 17:05 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-10-14 13:04 [PATCH v6 0/7] Fix stale IOTLB entries for kernel address space Lu Baolu
2025-10-14 13:04 ` [PATCH v6 1/7] mm: Add a ptdesc flag to mark kernel page tables Lu Baolu
2025-10-16 19:26 ` David Hildenbrand
2025-10-14 13:04 ` [PATCH v6 2/7] mm: Actually mark kernel page table pages Lu Baolu
2025-10-14 13:04 ` [PATCH v6 3/7] x86/mm: Use 'ptdesc' when freeing PMD pages Lu Baolu
2025-10-14 23:19 ` Dave Hansen
2025-10-15 5:19 ` Baolu Lu
2025-10-16 19:33 ` David Hildenbrand
2025-10-14 13:04 ` [PATCH v6 4/7] mm: Introduce pure page table freeing function Lu Baolu
2025-10-14 13:04 ` [PATCH v6 5/7] x86/mm: Use pagetable_free() Lu Baolu
2025-10-14 13:04 ` [PATCH v6 6/7] mm: Introduce deferred freeing for kernel page tables Lu Baolu
2025-10-16 19:35 ` David Hildenbrand
2025-10-17 1:29 ` Baolu Lu
2025-10-14 13:04 ` [PATCH v6 7/7] iommu/sva: Invalidate stale IOTLB entries for kernel address space Lu Baolu
2025-10-14 20:59 ` [syzbot ci] Re: Fix " syzbot ci
2025-10-15 16:25 ` Dave Hansen
2025-10-16 8:00 ` Baolu Lu
2025-10-17 17:05 ` Dave Hansen [this message]
2025-10-17 17:10 ` David Hildenbrand
2025-10-20 5:34 ` Baolu Lu
2025-10-20 14:26 ` David Hildenbrand
2025-10-15 0:43 ` [PATCH v6 0/7] " Andrew Morton
2025-10-15 5:38 ` Baolu Lu
2025-10-15 15:55 ` Dave Hansen
2025-10-17 1:42 ` Baolu Lu
2025-10-17 14:01 ` Jason Gunthorpe
2025-10-17 17:28 ` Dave Hansen
2025-10-17 17:31 ` Dave Hansen
2025-10-17 17:54 ` Jason Gunthorpe
2025-10-17 18:26 ` Vinicius Costa Gomes
2025-10-22 5:06 ` Baolu Lu
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