From: Pratyush Yadav <pratyush@kernel.org>
To: "Mike Rapoport (Microsoft)" <rppt@kernel.org>
Cc: Jonathan Corbet <corbet@lwn.net>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Pratyush Yadav <pratyush@kernel.org>,
Alexander Graf <graf@amazon.com>,
Andrew Morton <akpm@linux-foundation.org>,
Chen Pei <cp0613@linux.alibaba.com>,
George Guo <guodongtai@kylinos.cn>,
Kexin Liu <liukexin@kylinos.cn>,
Randy Dunlap <rdunlap@infradead.org>,
Shuah Khan <skhan@linuxfoundation.org>,
Sourabh Jain <sourabhjain@linux.ibm.com>,
kexec@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH v3 1/5] kho: reject zero bootmem scale
Date: Thu, 12 Nov 2026 14:30:40 +0100 [thread overview]
Message-ID: <2vxzjymigosf.fsf@kernel.org> (raw)
In-Reply-To: <20261112-kho-bootmem-sizing-v3-1-f0c8d00295d5@kernel.org> (Mike Rapoport's message of "Thu, 12 Nov 2026 12:38:53 +0200")
On Thu, Nov 12 2026, Mike Rapoport (Microsoft) wrote:
> kho_bootmem=0% sets bootmem_scale to 0, and then the bootmem areas are
> sized using the explicit sizes that default to 0. KHO remains enabled,
> but there is no usable bootmem to load the next kernel.
>
> Reject zero scale the same way zero explicit sizes are rejected.
>
> Fixes: 3dc92c311498 ("kexec: add Kexec HandOver (KHO) generation helpers")
> Signed-off-by: Mike Rapoport (Microsoft) <rppt@kernel.org>
Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org>
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2026-11-12 13:30 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-12 10:38 [PATCH v3 0/5] kho: fix bootmem sizing Mike Rapoport (Microsoft)
2026-11-12 10:38 ` [PATCH v3 1/5] kho: reject zero bootmem scale Mike Rapoport (Microsoft)
2026-11-12 10:47 ` sashiko-bot
2026-11-12 13:30 ` Pratyush Yadav [this message]
2026-11-12 14:59 ` Pasha Tatashin
2026-11-12 10:38 ` [PATCH v3 2/5] kho: walk bootmem areas in address order Mike Rapoport (Microsoft)
2026-11-12 10:47 ` sashiko-bot
2026-11-12 10:38 ` [PATCH v3 3/5] kho: skip zero-sized lowmem and global bootmem areas Mike Rapoport (Microsoft)
2026-11-12 10:47 ` sashiko-bot
2026-11-12 10:38 ` [PATCH v3 4/5] kho: fix bootmem sizing Mike Rapoport (Microsoft)
2026-11-12 10:47 ` sashiko-bot
2026-11-12 10:38 ` [PATCH v3 5/5] kho: docs: update description of bootmem regions Mike Rapoport (Microsoft)
2026-11-12 10:47 ` sashiko-bot
2026-11-12 13:48 ` Pratyush Yadav
2026-11-12 15:00 ` Pasha Tatashin
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