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From: Andy Lutomirski <luto@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>,
	LKML <linux-kernel@vger.kernel.org>
Cc: x86@kernel.org, Dave Hansen <dave.hansen@linux.intel.com>,
	Fenghua Yu <fenghua.yu@intel.com>,
	Tony Luck <tony.luck@intel.com>,
	Yu-cheng Yu <yu-cheng.yu@intel.com>
Subject: Re: [patch 8/8] x86/fpu: Deduplicate copy_xxx_to_xstate()
Date: Thu, 3 Jun 2021 09:56:07 -0700	[thread overview]
Message-ID: <89f357c5-1465-29d5-c71e-75fa2a82a8c2@kernel.org> (raw)
In-Reply-To: <20210602101619.182960608@linutronix.de>

On 6/2/21 2:55 AM, Thomas Gleixner wrote:
> copy_user_to_xstate() and copy_kernel_to_xstate() are almost identical
> except for the copy function.
> 
> Unify them.

I keep looking at call sites of these functions and being vaguely
confused.  Maybe copy_to_userabi_xstate() would make the purpose of
these functions clearer?

Otherwise, and even if you don't like my suggestion:

Acked-by: Andy Lutomirski <luto@kernel.org>

  reply	other threads:[~2021-06-03 16:56 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-06-02  9:55 [patch 0/8] x86/fpu: Mop up XSAVES and related damage Thomas Gleixner
2021-06-02  9:55 ` [patch 1/8] selftests/x86: Test signal frame XSTATE header corruption handling Thomas Gleixner
2021-06-02 12:38   ` Borislav Petkov
2021-06-02 14:15     ` Thomas Gleixner
2021-06-03 13:16       ` Shuah Khan
2021-06-02 15:59   ` [patch V2 " Thomas Gleixner
2021-06-02 16:02     ` [patch V2a " Thomas Gleixner
2021-06-02  9:55 ` [patch 2/8] x86/fpu: Prevent state corruption in __fpu__restore_sig() Thomas Gleixner
2021-06-02 13:12   ` Borislav Petkov
2021-06-02 14:46     ` Thomas Gleixner
2021-06-02 15:58   ` [patch V2 " Thomas Gleixner
2021-06-02  9:55 ` [patch 3/8] x86/fpu: Invalidate FPU state after a failed XRSTOR from a user buffer Thomas Gleixner
2021-06-02 15:06   ` Borislav Petkov
2021-06-03 17:30     ` Andy Lutomirski
2021-06-03 19:28       ` Borislav Petkov
2021-06-02  9:55 ` [patch 4/8] x86/fpu: Limit xstate copy size in xstateregs_set() Thomas Gleixner
2021-06-02 17:44   ` Borislav Petkov
2021-06-02  9:55 ` [patch 5/8] x86/fpu: Sanitize xstateregs_set() Thomas Gleixner
2021-06-02 16:01   ` [patch V2 " Thomas Gleixner
2021-06-03 11:32     ` Borislav Petkov
2021-06-03 17:24   ` [patch " Andy Lutomirski
2021-06-02  9:55 ` [patch 6/8] x86/fpu: Add address range checks to copy_user_to_xstate() Thomas Gleixner
2021-06-02  9:55 ` [patch 7/8] x86/fpu: Clean up the fpu__clear() variants Thomas Gleixner
2021-06-02  9:55 ` [patch 8/8] x86/fpu: Deduplicate copy_xxx_to_xstate() Thomas Gleixner
2021-06-03 16:56   ` Andy Lutomirski [this message]
2021-06-02 21:28 ` [patch 0/8] x86/fpu: Mop up XSAVES and related damage Yu, Yu-cheng
2021-06-04 14:05   ` Thomas Gleixner
2021-06-04 16:27     ` Yu, Yu-cheng
2021-06-04 17:46     ` Dave Hansen
2021-06-04 18:14       ` Thomas Gleixner
2021-06-04 22:04 ` Dave Hansen
2021-06-05 10:18   ` Thomas Gleixner
2021-06-05 11:56     ` Thomas Gleixner

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