From: Simon Horman <horms@kernel.org>
To: Joseph Cathcart <josephc@linux.ibm.com>
Cc: linux-s390@vger.kernel.org, kexec@lists.infradead.org,
eoin.mcnamara@ibm.com, iii@de.ibm.com
Subject: Re: [PATCH v2] kexec-tools/s390: add --reuseinitrd support
Date: Mon, 5 Oct 2026 10:25:26 +0100 [thread overview]
Message-ID: <20261005092526.GE184916@horms.kernel.org> (raw)
In-Reply-To: <20260820101350.4413-1-josephc@linux.ibm.com>
On Thu, Aug 20, 2026 at 12:13:50PM +0200, Joseph Cathcart wrote:
> Currently, the --reuseinitrd param is not supported on s390. This
> prevents testing kexec in environments such as virtme-ng, which by
> default does not store the initrd on disk.
>
> When --reuseinitrd is specified, fetch retained initrd memory range
> from /proc/iomem and fill new kernel parmarea directly with retained
> initrd base and size, rather than memory range of a new ramdisk.
>
> Add die() cases for when user uses --reuseinitrd:
> - in addition to --ramdisk or --initrd
> - while booting a crash kernel.
> - with kexec-file-load syscall (default syscall)
> - and no initrd entry is found in /proc/iomem
>
> Signed-off-by: Joseph Cathcart <josephc@linux.ibm.com>
Sorry if this is a duplicate.
But it seems that I applied this patch some time ago
but forgot to send out a notification about that.
So, FTR, this patch was applied as:
- kexec-tools/s390: add --reuseinitrd support
https://git.kernel.org/pub/scm/utils/kernel/kexec/kexec-tools.git/commit/?id=43c5cba85ad2
prev parent reply other threads:[~2026-10-05 9:25 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-08-20 10:13 [PATCH v2] kexec-tools/s390: add --reuseinitrd support Joseph Cathcart
2026-10-05 9:25 ` Simon Horman [this message]
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