From: Dave Hansen <dave.hansen@intel.com>
To: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
"Eric W. Biederman" <ebiederm@xmission.com>
Cc: Borislav Petkov <bp@alien8.de>, Andy Lutomirski <luto@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Andrew Morton <akpm@linux-foundation.org>,
Joerg Roedel <jroedel@suse.de>, Ard Biesheuvel <ardb@kernel.org>,
Andi Kleen <ak@linux.intel.com>,
Kuppuswamy Sathyanarayanan
<sathyanarayanan.kuppuswamy@linux.intel.com>,
David Rientjes <rientjes@google.com>,
Vlastimil Babka <vbabka@suse.cz>,
Tom Lendacky <thomas.lendacky@amd.com>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <peterz@infradead.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Ingo Molnar <mingo@redhat.com>,
Varad Gautam <varad.gautam@suse.com>,
Dario Faggioli <dfaggioli@suse.com>,
Mike Rapoport <rppt@kernel.org>,
David Hildenbrand <david@redhat.com>,
marcelo.cerri@canonical.com, tim.gardner@canonical.com,
khalid.elmously@canonical.com, philip.cox@canonical.com,
x86@kernel.org, linux-mm@kvack.org, linux-coco@lists.linux.dev,
linux-efi@vger.kernel.org, linux-kernel@vger.kernel.org,
kexec@lists.infradead.org
Subject: Re: [PATCHv7 11/14] x86: Disable kexec if system has unaccepted memory
Date: Tue, 28 Jun 2022 17:10:56 -0700 [thread overview]
Message-ID: <88fe385c-fe40-d659-5081-7f3cdd9493e4@intel.com> (raw)
In-Reply-To: <20220628235105.z6ytdzxofrdkjti4@black.fi.intel.com>
On 6/28/22 16:51, Kirill A. Shutemov wrote:
> On Fri, Jun 24, 2022 at 05:00:05AM +0300, Kirill A. Shutemov wrote:
>>> If there is some deep and fundamental why this can not be supported
>>> then it probably makes sense to put some code in the arch_kexec_load
>>> hook that verifies that deep and fundamental reason is present.
...
> + /*
> + * TODO: Information on memory acceptance status has to be communicated
> + * between kernel.
> + */
So, the deep and fundamental reason is... drum roll... you haven't
gotten around to implementing bitmap passing yet?!?!? I have the
feeling that wasn't what Eric was looking for.
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next prev parent reply other threads:[~2022-06-29 0:12 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20220614120231.48165-1-kirill.shutemov@linux.intel.com>
[not found] ` <20220614120231.48165-12-kirill.shutemov@linux.intel.com>
2022-06-23 17:23 ` [PATCHv7 11/14] x86: Disable kexec if system has unaccepted memory Dave Hansen
2022-06-23 21:48 ` Eric W. Biederman
2022-06-24 2:00 ` Kirill A. Shutemov
2022-06-28 23:51 ` Kirill A. Shutemov
2022-06-29 0:10 ` Dave Hansen [this message]
2022-06-29 0:59 ` Kirill A. Shutemov
2022-07-04 7:18 ` Dave Young
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