[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-ID: <877csfjfcj.ffs@tglx>
Date: Wed, 07 Jun 2023 20:29:32 +0200
From: Thomas Gleixner <tglx@...utronix.de>
To: Hou Wenlong <houwenlong.hwl@...group.com>,
linux-kernel@...r.kernel.org
Cc: Lai Jiangshan <jiangshan.ljs@...group.com>,
Hou Wenlong <houwenlong.hwl@...group.com>,
Alexey Makhalov <amakhalov@...are.com>,
Andrew Morton <akpm@...ux-foundation.org>,
Andy Lutomirski <luto@...nel.org>,
Anshuman Khandual <anshuman.khandual@....com>,
Borislav Petkov <bp@...en8.de>,
Boris Ostrovsky <boris.ostrovsky@...cle.com>,
Brian Gerst <brgerst@...il.com>,
Dave Hansen <dave.hansen@...ux.intel.com>,
David Woodhouse <dwmw@...zon.co.uk>,
"H. Peter Anvin" <hpa@...or.com>, Ingo Molnar <mingo@...hat.com>,
Josh Poimboeuf <jpoimboe@...nel.org>,
Juergen Gross <jgross@...e.com>,
"Kirill A. Shutemov" <kirill.shutemov@...ux.intel.com>,
"Mike Rapoport (IBM)" <rppt@...nel.org>,
Pasha Tatashin <pasha.tatashin@...een.com>,
Peter Zijlstra <peterz@...radead.org>,
"Srivatsa S. Bhat (VMware)" <srivatsa@...il.mit.edu>,
Suren Baghdasaryan <surenb@...gle.com>,
Usama Arif <usama.arif@...edance.com>,
virtualization@...ts.linux-foundation.org,
VMware PV-Drivers Reviewers <pv-drivers@...are.com>,
x86@...nel.org, xen-devel@...ts.xenproject.org
Subject: Re: [PATCH RFC 0/4] x86/fixmap: Unify FIXADDR_TOP
On Mon, May 15 2023 at 16:19, Hou Wenlong wrote:
> This patchset unifies FIXADDR_TOP as a variable for x86, allowing the
> fixmap area to be movable and relocated with the kernel image in the
> x86/PIE patchset [0]. This enables the kernel image to be relocated in
> the top 512G of the address space.
What for? What's the use case.
Please provide a proper argument why this is generally useful and
important.
Thanks,
tglx
Powered by blists - more mailing lists