From: Dave Hansen <dave.hansen@intel.com>
To: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>,
Baoquan He <bhe@redhat.com>
Cc: tglx@linutronix.de, mingo@redhat.com, bp@alien8.de,
dave.hansen@linux.intel.com, x86@kernel.org, hpa@zytor.com,
ebiederm@xmission.com, akpm@linux-foundation.org,
stanislav.kinsburskii@gmail.com, corbet@lwn.net,
linux-kernel@vger.kernel.org, kexec@lists.infradead.org,
linux-mm@kvack.org, kys@microsoft.com, jgowans@amazon.com,
wei.liu@kernel.org, arnd@arndb.de, gregkh@linuxfoundation.org,
graf@amazon.de, pbonzini@redhat.com
Subject: Re: [RFC PATCH v2 0/7] Introduce persistent memory pool
Date: Thu, 28 Sep 2023 06:22:54 -0700 [thread overview]
Message-ID: <ee1907a1-2f04-cfa3-9f09-75b94994e88b@intel.com> (raw)
In-Reply-To: <20230927161319.GA19976@skinsburskii.>
On 9/27/23 09:13, Stanislav Kinsburskii wrote:
> Once deposited, these pages can't be accessed by Linux anymore and thus
> must be preserved in "used" state across kexec, as hypervisor state is
> unware of kexec.
If Linux can't access them, they're not RAM any more. I'd much rather
remove them from the memory map and move on with life rather than
implement a bunch of new ABI that's got to be handed across kernels.
next prev parent reply other threads:[~2023-09-28 13:33 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <01828.123092517290700465@us-mta-156.us.mimecast.lan>
2023-09-27 5:44 ` Baoquan He
2023-09-27 16:13 ` Stanislav Kinsburskii
2023-09-28 13:22 ` Dave Hansen [this message]
2023-09-27 23:25 ` Stanislav Kinsburskii
2023-09-28 17:29 ` Dave Hansen
2023-09-28 0:02 ` Stanislav Kinsburskii
2023-09-28 18:00 ` Dave Hansen
2023-09-28 0:38 ` Stanislav Kinsburskii
2023-09-28 19:16 ` Dave Hansen
2023-09-28 2:46 ` Stanislav Kinsburskii
2023-09-29 10:13 ` Shutemov, Kirill
2023-09-28 9:16 ` Stanislav Kinsburskii
[not found] ` <64208.123092816192300612@us-mta-483.us.mimecast.lan>
2023-09-28 23:56 ` Baoquan He
2023-09-28 7:18 ` Stanislav Kinsburskii
2023-09-28 17:35 ` David Hildenbrand
2023-09-28 17:37 ` Dave Hansen
2023-09-28 18:12 ` [EXTERNAL] " KY Srinivasan
[not found] ` <58146.123092712145601339@us-mta-73.us.mimecast.lan>
2023-09-28 10:25 ` Baoquan He
2023-09-27 22:44 ` Stanislav Kinsburskii
2023-09-28 17:29 ` David Hildenbrand
2023-09-25 21:27 Stanislav Kinsburskii
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