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From: Peter Zijlstra <peterz@infradead.org>
To: "Roy, Patrick" <roypat@amazon.co.uk>
Cc: "da.gomez@samsung.com" <da.gomez@samsung.com>,
	"gregkh@linuxfoundation.org" <gregkh@linuxfoundation.org>,
	"hch@infradead.org" <hch@infradead.org>,
	"hpa@zytor.com" <hpa@zytor.com>,
	"linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-modules@vger.kernel.org" <linux-modules@vger.kernel.org>,
	"masahiroy@kernel.org" <masahiroy@kernel.org>,
	"mcgrof@kernel.org" <mcgrof@kernel.org>,
	"nathan@kernel.org" <nathan@kernel.org>,
	"nicolas@fjasle.eu" <nicolas@fjasle.eu>,
	"petr.pavlu@suse.com" <petr.pavlu@suse.com>,
	"samitolvanen@google.com" <samitolvanen@google.com>,
	"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH -v2 0/7] module: Strict per-modname namespaces
Date: Fri, 2 May 2025 14:55:33 +0200	[thread overview]
Message-ID: <20250502125533.GA4198@noisy.programming.kicks-ass.net> (raw)
In-Reply-To: <20250502115553.27803-1-roypat@amazon.co.uk>

On Fri, May 02, 2025 at 11:55:54AM +0000, Roy, Patrick wrote:
> Hi Peter,
> 
> Are you still working on this patch series? I'm working on having KVM remove
> virtual machine memory from the kernel's direct map, to harden again
> speculative execution attacks [1]. At David H.'s LSF/MM/BPF task on
> guest_memfd, it was suggested to use per-modname namespaces to export
> set_direct_map_valid() specifically for use in KVM to achieve this.
> 
> Is there anything I can do to help get this across the finish line
> (testing/etc.)?

Hmm, I had more or less forgotten about this.

Let me rebase and address the comments.

      reply	other threads:[~2025-05-02 12:56 UTC|newest]

Thread overview: 31+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-12-02 14:59 [PATCH -v2 0/7] module: Strict per-modname namespaces Peter Zijlstra
2024-12-02 14:59 ` [PATCH -v2 1/7] module: Convert symbol namespace to string literal Peter Zijlstra
2024-12-02 15:15   ` Peter Zijlstra
2024-12-02 15:22     ` Greg KH
2024-12-02 19:33     ` Linus Torvalds
2024-12-03 19:19       ` Mark Brown
2024-12-03 22:06         ` Mark Brown
2024-12-04  1:11           ` Masahiro Yamada
2024-12-02 14:59 ` [PATCH -v2 2/7] module/modpost: Use for() loop Peter Zijlstra
2025-02-07  8:50   ` Masahiro Yamada
2025-02-07 16:38   ` Masahiro Yamada
2024-12-02 14:59 ` [PATCH -v2 3/7] module/modpost: Add basename helper Peter Zijlstra
2025-02-07 17:56   ` Masahiro Yamada
2024-12-02 14:59 ` [PATCH -v2 4/7] module: Add module specific symbol namespace support Peter Zijlstra
2025-02-07 16:22   ` Masahiro Yamada
2024-12-02 14:59 ` [PATCH -v2 5/7] module: Extend the MODULE_ namespace parsing Peter Zijlstra
2025-02-07  8:41   ` Masahiro Yamada
2025-05-02 13:10     ` Peter Zijlstra
2025-02-07 15:45   ` Masahiro Yamada
2025-05-02 13:11     ` Peter Zijlstra
2024-12-02 14:59 ` [PATCH -v2 6/7] module: Account for the build time module name mangling Peter Zijlstra
2024-12-06 18:35   ` Sean Christopherson
2025-05-02 13:15   ` Peter Zijlstra
2024-12-02 14:59 ` [PATCH -v2 7/7] module: Provide EXPORT_SYMBOL_GPL_FOR() helper Peter Zijlstra
2025-02-07  8:09   ` Masahiro Yamada
2024-12-02 17:36 ` [PATCH -v2 0/7] module: Strict per-modname namespaces Andi Kleen
2024-12-16 16:43 ` Petr Pavlu
2025-02-05 10:14   ` Petr Pavlu
2025-02-07 18:04     ` Masahiro Yamada
2025-05-02 11:55 ` Roy, Patrick
2025-05-02 12:55   ` Peter Zijlstra [this message]

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