linux-kernel - Re: [PATCH v2 2/2] x86/fpu: Update the debug flow for x86_task

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Message-ID: <c1f9b3e1-b447-4c9e-956b-34b174203374@intel.com>
Date: Mon, 21 Jul 2025 15:34:20 -0700
From: Dave Hansen <dave.hansen@...el.com>
To: Sohil Mehta <sohil.mehta@...el.com>,
 Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc: Borislav Petkov <bp@...en8.de>, "H . Peter Anvin" <hpa@...or.com>,
 Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...hat.com>,
 Sean Christopherson <seanjc@...gle.com>,
 Peter Zijlstra <peterz@...radead.org>,
 Vignesh Balasubramanian <vigbalas@....com>,
 Rick Edgecombe <rick.p.edgecombe@...el.com>, Oleg Nesterov
 <oleg@...hat.com>, "Chang S . Bae" <chang.seok.bae@...el.com>,
 Brian Gerst <brgerst@...il.com>, Eric Biggers <ebiggers@...gle.com>,
 Kees Cook <kees@...nel.org>, Chao Gao <chao.gao@...el.com>,
 Fushuai Wang <wangfushuai@...du.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] x86/fpu: Update the debug flow for x86_task_fpu()

On 7/21/25 14:53, Sohil Mehta wrote:
> Also, update the warning to include PF_USER_WORKER, as these tasks are
> treated the same as kernel threads in the FPU context.

How so?