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>
next prev parent 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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