From: sashiko-bot@kernel.org
To: "Pasha Tatashin" <pasha.tatashin@soleen.com>,
rppt@kernel.org, kuba@kernel.org, enelsonmoore@gmail.com,
bp@alien8.de, shuah@kernel.org, david@kernel.org,
akpm@linux-foundation.org, ljs@kernel.org, mhocko@suse.com,
skhan@linuxfoundation.org, vbabka@kernel.org,
dapeng1.mi@linux.intel.com, corbet@lwn.net, surenb@google.com,
kexec@lists.infradead.org, pratyush@kernel.org,
rdunlap@infradead.org, elver@google.com, graf@amazon.com,
lirongqing@baidu.com, liam@infradead.org, jlayton@kernel.org
Subject: Re: [PATCH v1 6/8] kho: support read-only KHO mode in kho_block
Date: Mon, 19 Oct 2026 02:18:58 +0000 [thread overview]
Message-ID: <sashiko-outbox-176523@kernel.org> (raw)
In-Reply-To: <20261019021111.990394-7-pasha.tatashin@soleen.com>
> In read-only KHO mode, incoming serialized kho_block chains lie outside
> the kernel's direct map and must not be modified or freed back into the
> page allocator.
>
> Map incoming serialized blocks read-only via kho_ro_map_folio(...,
> PAGE_KERNEL_RO) during cycle detection and restoration, and unmap them
> via kho_ro_unmap() instead of calling kho_restore_free() when destroying
> or shrinking a block set in read-only mode.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Sashiko has reviewed this patch and found no issues.
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261019021111.990394-1-pasha.tatashin@soleen.com?part=6
next prev parent reply other threads:[~2026-10-19 2:19 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-19 2:11 [PATCH v1 0/8] kho: add read-only Kexec Handover mode Pasha Tatashin
2026-10-19 2:11 ` [PATCH v1 1/8] kho: expose physical address of outgoing FDT Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 2/8] kho: move radix tree, vmalloc, and FDT helpers to internal header Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 3/8] kho: validate preservation metadata in kho_restore_vmalloc() Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 4/8] kho: do not modify incoming serialized blocks Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 5/8] kho: add read-only Kexec Handover mode Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 6/8] kho: support read-only KHO mode in kho_block Pasha Tatashin
2026-10-19 2:18 ` sashiko-bot [this message]
2026-10-19 2:11 ` [PATCH v1 7/8] kho: test: support read-only KHO mode in test_kho Pasha Tatashin
2026-10-19 2:19 ` sashiko-bot
2026-10-19 2:11 ` [PATCH v1 8/8] selftests: kho: add read-only KHO test to vmtest.sh Pasha Tatashin
2026-10-19 2:19 ` sashiko-bot
2026-10-19 8:43 ` [PATCH v1 0/8] kho: add read-only Kexec Handover mode Mike Rapoport
2026-10-19 14:23 ` Pasha Tatashin
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