From: Catalin Marinas <catalin.marinas@arm.com>
To: Deepak Gupta <debug@rivosinc.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@kernel.org>,
Mark Brown <broonie@kernel.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Will Deacon <will@kernel.org>, Paul Walmsley <pjw@kernel.org>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Alexandre Ghiti <alex@ghiti.fr>,
Thomas Gleixner <tglx@kernel.org>, Ingo Molnar <mingo@redhat.com>,
Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Kito Cheng <kito.cheng@sifive.com>,
Jesse Huang <jesse.huang@sifive.com>,
valentin.haudiquet@canonical.com,
heinrich.schuchardt@canonical.com,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
linux-mm@kvack.org
Subject: Re: [PATCH 0/5] mm: arch/shstk: Common shadow stack mapping helper and VM_NOHUGEPAGE
Date: Wed, 25 Feb 2026 08:08:41 +0000 [thread overview]
Message-ID: <aZ6uCceePh73wcMP@arm.com> (raw)
In-Reply-To: <aZ489QDHxEZfLydn@debug.ba.rivosinc.com>
Hi Deepak,
On Tue, Feb 24, 2026 at 04:06:13PM -0800, Deepak Gupta wrote:
> On Tue, Feb 24, 2026 at 05:57:52PM +0000, Catalin Marinas wrote:
> > arm64, riscv and x86 all implement shadow stack support and use a
> > similar pattern for mapping the user shadow stack (originally cloned
> > from x86). Extract this common pattern into a shared helper -
> > vm_mmap_shadow_stack().
[...]
> FWIW, I applied your patches on v7.0-rc1 and risc-v cfi kselftest passes
[...]
> So you can tag tested by for risc-v.
That's great, thanks!
--
Catalin
prev parent reply other threads:[~2026-02-25 8:08 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-24 17:57 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
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 [this message]
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