From: Xin Li <xin@zytor.com>
To: Maciej Wieczor-Retman <maciej.wieczor-retman@intel.com>,
Greg KH <gregkh@linuxfoundation.org>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
"Kirill A. Shutemov" <kas@kernel.org>,
Alexander Potapenko <glider@google.com>,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
Xin Li <xin3.li@intel.com>,
Sai Praneeth <sai.praneeth.prakhya@intel.com>,
Jethro Beekman <jethro@fortanix.com>,
Jarkko Sakkinen <jarkko@kernel.org>,
Sean Christopherson <seanjc@google.com>,
Tony Luck <tony.luck@intel.com>,
"Mike Rapoport (IBM)" <rppt@kernel.org>,
Kees Cook <kees@kernel.org>,
Rick Edgecombe <rick.p.edgecombe@intel.com>,
Yu-cheng Yu <yu-cheng.yu@intel.com>,
stable@vger.kernel.org, Borislav Petkov <bp@suse.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86: Clear feature bits disabled at compile-time
Date: Wed, 23 Jul 2025 17:24:31 -0700 [thread overview]
Message-ID: <a3761d4d-32a6-4822-aadc-8b8fe1b7e254@zytor.com> (raw)
In-Reply-To: <0e52c9c5-006e-406b-8ae0-7f5c5273cba2@zytor.com>
On 7/23/2025 8:52 AM, Xin Li wrote:
> We need to investigate the root cause of this bug; and this seems like a
> regression caused by my patch set that automatically generates CPU
> feature masks.
My bad, it's not caused by my patch set.
The bug is there for a long time before the patch set was merged.
And it seems we need a different patch for older Linux kernels.
Thanks!
Xin
next prev parent reply other threads:[~2025-07-24 0:25 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-23 9:22 Maciej Wieczor-Retman
2025-07-23 9:45 ` Greg KH
2025-07-23 11:46 ` Maciej Wieczor-Retman
2025-07-23 11:57 ` Greg KH
2025-07-23 13:03 ` Maciej Wieczor-Retman
2025-07-23 13:37 ` Greg KH
2025-07-23 15:52 ` Xin Li
2025-07-24 0:24 ` Xin Li [this message]
2025-07-23 13:46 ` Borislav Petkov
2025-07-23 15:13 ` Maciej Wieczor-Retman
2025-07-23 15:28 ` H. Peter Anvin
2025-07-23 17:13 ` Maciej Wieczor-Retman
2025-07-23 17:23 ` H. Peter Anvin
2025-07-23 14:08 ` H. Peter Anvin
2025-07-23 16:17 ` Maciej Wieczor-Retman
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