From: Oleg Nesterov <oleg@redhat.com>
To: "Edgecombe, Rick P" <rick.p.edgecombe@intel.com>
Cc: "mingo@kernel.org" <mingo@kernel.org>,
"dave.hansen@linux.intel.com" <dave.hansen@linux.intel.com>,
"bp@alien8.de" <bp@alien8.de>,
"peterz@infradead.org" <peterz@infradead.org>,
"hpa@zytor.com" <hpa@zytor.com>,
"axboe@kernel.dk" <axboe@kernel.dk>,
"tglx@linutronix.de" <tglx@linutronix.de>,
"Mehta, Sohil" <sohil.mehta@intel.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"x86@kernel.org" <x86@kernel.org>
Subject: Re: [PATCH 1/6] x86/fpu: change copy_xstate_to_uabi_buf() to accept fpstate + pkru instead of task_struct
Date: Fri, 15 Aug 2025 14:22:03 +0200 [thread overview]
Message-ID: <20250815122203.GC11549@redhat.com> (raw)
In-Reply-To: <a54c86dee04ab8047f337c102fab611d9ce2ac31.camel@intel.com>
On 08/14, Edgecombe, Rick P wrote:
>
> On Thu, 2025-08-14 at 12:14 +0200, Oleg Nesterov wrote:
> > Preparation for the next change.
> >
> > Signed-off-by: Oleg Nesterov <oleg@redhat.com>
>
> These patches and the coverletter have very little information.
Agreed. I forgot to add the links to the previous discussions,
please see
Warning from x86_task_fpu()
https://lore.kernel.org/all/aJVuZZgYjEMxiUYq@ly-workstation/
PF_USER_WORKERs and shadow stack
https://lore.kernel.org/all/20250813162824.GA15234@redhat.com/
Oleg.
next prev parent reply other threads:[~2025-08-15 12:23 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-14 10:13 [PATCH 0/6] x86/fpu: don't abuse x86_task_fpu(PF_USER_WORKER) in .regset_get() paths Oleg Nesterov
2025-08-14 10:14 ` [PATCH 1/6] x86/fpu: change copy_xstate_to_uabi_buf() to accept fpstate + pkru instead of task_struct Oleg Nesterov
2025-08-14 16:46 ` Edgecombe, Rick P
2025-08-15 12:22 ` Oleg Nesterov [this message]
2025-08-14 10:14 ` [PATCH 2/6] x86/fpu: regset: introduce get_fpstate() helper Oleg Nesterov
2025-08-14 10:14 ` [PATCH 3/6] x86/fpu: fold sync_fpstate() into get_fpstate() Oleg Nesterov
2025-08-14 10:14 ` [PATCH 4/6] x86/shstk: add "task_struct *tsk" argument to reset_thread_features() Oleg Nesterov
2025-08-14 10:14 ` [PATCH 5/6] x86/shstk: don't create the shadow stack for PF_USER_WORKERs Oleg Nesterov
2025-08-14 17:03 ` Edgecombe, Rick P
2025-08-14 18:33 ` Mark Brown
2025-08-14 22:43 ` Edgecombe, Rick P
2025-08-15 11:44 ` Mark Brown
2025-08-15 19:11 ` Deepak Gupta
2025-08-18 17:27 ` Mark Brown
2025-08-19 17:41 ` Deepak Gupta
2025-08-15 13:01 ` Oleg Nesterov
2025-08-15 13:08 ` Oleg Nesterov
2025-08-15 15:28 ` Mark Brown
2025-08-15 15:43 ` Oleg Nesterov
2025-08-15 15:48 ` Mark Brown
2025-08-15 16:00 ` Oleg Nesterov
2025-08-15 17:08 ` Mark Brown
2025-08-15 12:17 ` Oleg Nesterov
2025-08-15 16:19 ` Edgecombe, Rick P
2025-08-15 16:54 ` Oleg Nesterov
2025-08-15 17:46 ` Edgecombe, Rick P
2025-08-15 19:13 ` Oleg Nesterov
2025-08-14 10:14 ` [PATCH 6/6] x86/fpu: change get_fpstate() to return &init_fpstate if PF_USER_WORKER Oleg Nesterov
2025-08-15 15:52 ` [PATCH 0/6] x86/fpu: don't abuse x86_task_fpu(PF_USER_WORKER) in .regset_get() paths Oleg Nesterov
2025-08-15 15:59 ` Dave Hansen
2025-08-15 16:02 ` Oleg Nesterov
2025-08-15 16:32 ` Sohil Mehta
2025-08-15 19:33 ` Oleg Nesterov
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