From: Catalin Marinas <catalin.marinas@arm.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Cc: "david@kernel.org" <david@kernel.org>,
"broonie@kernel.org" <broonie@kernel.org>,
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<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 4/5] x86: shstk: Use the new common vm_mmap_shadow_stack() helper
Date: Wed, 25 Feb 2026 08:12:28 +0000 [thread overview]
Message-ID: <aZ6u7LMfGmExzhS4@arm.com> (raw)
In-Reply-To: <eac72941ab8d9520cadc1b98bdcfd7e5d2ef14ca.camel@intel.com>
On Tue, Feb 24, 2026 at 07:47:14PM +0000, Edgecombe, Rick P wrote:
> On Tue, 2026-02-24 at 17:57 +0000, Catalin Marinas wrote:
> > Replace part of the x86 alloc_shstk() content with a call to
> > vm_mmap_shadow_stack().
>
> I ran it through the selftest. It would be nice to have a bit more information
> in the log, like that there is no functional change. Otherwise,
Good point, I'll add this to the other arch patches as well.
> Reviewed-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
> Tested-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Thanks.
--
Catalin
next prev parent reply other threads:[~2026-02-25 8:12 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 17:57 [PATCH 0/5] mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE Catalin Marinas
2026-02-24 17:57 ` [PATCH 1/5] mm: Introduce vm_mmap_shadow_stack() as a helper for VM_SHADOW_STACK mappings Catalin Marinas
2026-02-24 19:47 ` Edgecombe, Rick P
2026-02-25 12:25 ` Mark Brown
2026-02-25 13:32 ` David Hildenbrand (Arm)
2026-02-24 17:57 ` [PATCH 2/5] arm64: gcs: Use the new common vm_mmap_shadow_stack() helper Catalin Marinas
2026-02-25 13:32 ` David Hildenbrand (Arm)
2026-02-25 13:41 ` Mark Brown
2026-02-24 17:57 ` [PATCH 3/5] riscv: shstk: " Catalin Marinas
2026-02-25 13:33 ` David Hildenbrand (Arm)
2026-02-24 17:57 ` [PATCH 4/5] x86: " Catalin Marinas
2026-02-24 19:47 ` Edgecombe, Rick P
2026-02-25 8:12 ` Catalin Marinas [this message]
2026-02-25 13:33 ` David Hildenbrand (Arm)
2026-02-24 17:57 ` [PATCH 5/5] mm: Do not map the shadow stack as THP Catalin Marinas
2026-02-25 13:02 ` Mark Brown
2026-02-25 13:34 ` David Hildenbrand (Arm)
2026-02-25 0:06 ` [PATCH 0/5] mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE Deepak Gupta
2026-02-25 8:08 ` Catalin Marinas
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