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Y. Srinivasan" , Haiyang Zhang , Wei Liu , Dexuan Cui , Long Li , Pasha Tatashin , Pratyush Yadav , Alexander Graf , Jason Miu , Andrew Morton , David Hildenbrand , Muchun Song , Oscar Salvador , Baoquan He , Catalin Marinas , Will Deacon , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , "H. Peter Anvin" , Kees Cook , Ran Xiaokai , Justinien Bouron , Sourabh Jain , Pingfan Liu , "Rafael J. Wysocki" , Mario Limonciello , linux-arm-kernel@lists.infradead.org, x86@kernel.org, linux-kernel@vger.kernel.org, Michael Kelley Subject: Re: [RFC PATCH 00/20] mshv: enable kexec with Hyper-V donated pages and partitions Message-ID: References: <20260528004204.1484584-1-jloeser@linux.microsoft.com> <3197c9c9-9e4f-c592-bb7-ac422f89115@linux.microsoft.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <3197c9c9-9e4f-c592-bb7-ac422f89115@linux.microsoft.com> X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 28E122000E X-Stat-Signature: q1xn6sgfpkt1ebcemmdi4yxp88y8pdwx X-Rspam-User: X-HE-Tag: 1780575456-196962 X-HE-Meta: U2FsdGVkX1+WgaZ/ny72DOsDXSxoLHW/WoLfr40/gGLMjKtU5vmwYvfgqAeKcdawFnvG8YhsNALlvymzrMXaFf64QxFfV81Sus5cDM8ljiWLwdYMlRWF0fXPNVRO7WbiShnM4kZovU+h3p9jNbhJKY0NZXUcykpj4NapfXGMyMg+DVJtmBL+0R19XWGy2B6EkUPpXZabIFaaa5VXZch8buv5lE4s/WaaBN8Hzd+kG28bUnaw6EFoG+veTTT1QUB8f+S307ksyg695mP0uikaj8gk6ngDNjB/Zw6HKl1si9vyruuzHvFTelu9Vw/qhalol0OHVGWCwadSOHUsvvblsnOcCtYw/6mgOCrmVlD6q+NSHNuVaWPXtzocdIoGvftlG+P0c8EqPGWH/9pP9TZ1zKsZCJZKl9EQkHllyvpavcZgDkzlnunmTnevX107JRJZDbXV78EK1kMFt2QqoMJTnOZ4BGzAOs4XWcwQ/0fNZsemtZvwW2nkM30a2ib2B79mgnc7MY88SfkP+4ocTm/K6AOEBUyVl61FEJCpiIA6W4fhEafYktuNVtYTjOj9Fup8FohT+jFcpfDBZCrrvCKea1FklLmLiCDkxruwwsokN/3HLE6scI+k4uCNVjhAuBqLbqowaPCro2YEFsR4OOQ/7SwKurVh/V7/Dd75FnMHAadKWWy+Ehuyga1CpV5TFw9VNUKKB+o1cRjJ27Mhu5pe4fyX88/uF/APwFpKyDf+tfqfUnsjfuD51cDx8omlYYI/xZp4Rpzi8fvjt1RNF+VKtMq7PU7vipDYrb9dZfCc8mcsRoylbTa2OM35jBZnX9LXYSfNZxxyEeNGc2pkZWVWv+VDPB7RDKklLqTu8mvX3UB+nYjooqVGGHGep62mZ8TlS0lXCKRl0uYAmbXpVxbLcmde4ohi5dkaIXmZAOv9NF4LNntplHVtVor+4ieAa/d47YCEKpChSe+yqIzOkLJ BvO6I9gB loQnWnIuxpnUiIlGBbmQPG5qyxVfLqTUcrXAiyIgTmrIL1H7UcP7fBLqRJwqqBJe/7rFTr28wn8n2CEQESz9hL2jB+5xAd/e9UjPfrNbTLkE0nq8ondcSFQoCjBCGSg9f4tHLDCH9BCRfrXaCxD7+K8w01gQGsBpIGvXDLK0wobL8WS2hOGU08KWCkIJTrIUPdxlXrHKpdyv5U1tKg9o/GsHWHFXLY01iQdbl9RPYl+MHpIZBnOVQBv2du0lzDTXgj/+fwYJXOfjXa9zSAg2o8uFbdg== Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On Wed, Jun 03, 2026 at 10:25:58AM -0700, Jork Loeser wrote: > > > On Wed, 3 Jun 2026, Mike Rapoport wrote: > > > On Mon, Jun 01, 2026 at 01:09:41PM -0700, Jork Loeser wrote: > > > On Sun, 31 May 2026, Mike Rapoport wrote: > > > > > > > > Patch 19: Export kexec_in_progress for modules > > > > > > > > Isn't there another way to differentiate kexec reboot? > > > > There's that "kexec reboot" string passed as the cmd to the reboot > > notifier. > > Maybe we can make it somehow more well defined API and use it? > > A string? Dear my - the compiler won't flag it on an API change then, not > ideal clearly. What's wrong with exporting kexec_in_progress()? The policy in general is avoid exports unless strictly necessary. A string can be declared as const char *KEXEC_REBOOT = "kexec reboot" and used in both kexec and mshv. Not ideal, but still better. No strong feelings from my side, just EXPORT_SYMBOL there felt a bit off. > Best, > Jork -- Sincerely yours, Mike.