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From: 'Sebastian Andrzej Siewior' <bigeasy@linutronix.de>
To: David Laight <David.Laight@ACULAB.COM>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"x86@kernel.org" <x86@kernel.org>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Andy Lutomirski <luto@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Borislav Petkov <bp@alien8.de>
Subject: Re: [PATCH 1/3] x86/mm/pat: Disable preemption around __flush_tlb_all()
Date: Wed, 17 Oct 2018 14:00:17 +0200	[thread overview]
Message-ID: <20181017120017.cq5mkcrlwifrz7kn@linutronix.de> (raw)
In-Reply-To: <903c4734c77f4fbaba8598bc2effaf78@AcuMS.aculab.com>

On 2018-10-17 11:45:59 [+0000], David Laight wrote:
> Right, so it should be disabled before the CR3 reload and enabled after?

It was before commit decab0888e6e1 ("x86/mm: Remove
preempt_disable/enable() from __native_flush_tlb()") then it was lifted
to the caller.

> 	David

Sebastian

  reply	other threads:[~2018-10-17 12:00 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-16 20:25 [0/3] A few 32bit x86 fixes Sebastian Andrzej Siewior
2018-10-16 20:25 ` [PATCH 1/3] x86/mm/pat: Disable preemption around __flush_tlb_all() Sebastian Andrzej Siewior
2018-10-16 21:25   ` Andy Lutomirski
2018-10-16 21:38     ` Sebastian Andrzej Siewior
2018-10-16 23:28       ` Andy Lutomirski
2018-10-17 10:34         ` [PATCH 1/3 v2] " Sebastian Andrzej Siewior
2018-10-29 18:10           ` [tip:x86/urgent] " tip-bot for Sebastian Andrzej Siewior
2018-11-05 21:56             ` Dan Williams
2018-10-17  9:54   ` [PATCH 1/3] " David Laight
2018-10-17 10:39     ` 'Sebastian Andrzej Siewior'
2018-10-17 11:45       ` David Laight
2018-10-17 12:00         ` 'Sebastian Andrzej Siewior' [this message]
2018-10-17 11:11     ` Peter Zijlstra
2018-10-17 11:17       ` Thomas Gleixner
2018-10-17 15:47         ` Peter Zijlstra
2018-10-17 15:55           ` Thomas Gleixner
2018-10-17 16:00           ` 'Sebastian Andrzej Siewior'
2018-10-17 16:22             ` Peter Zijlstra
2018-10-16 20:25 ` [PATCH 2/3] x86/fpu: Remove second definition of fpu in __fpu__restore_sig() Sebastian Andrzej Siewior
2018-10-16 21:26   ` Andy Lutomirski
2018-10-17  9:09   ` [tip:x86/urgent] " tip-bot for Sebastian Andrzej Siewior
2018-10-18  6:22   ` tip-bot for Sebastian Andrzej Siewior
2018-10-16 20:25 ` [PATCH 3/3] x86/fpu: Save FPU registers on context switch if there is a FPU Sebastian Andrzej Siewior
2018-10-16 23:00   ` Andy Lutomirski
2018-10-17  9:10   ` [tip:x86/urgent] x86/fpu: Fix i486 + no387 boot crash by only saving FPU registers on context switch if there is an FPU tip-bot for Sebastian Andrzej Siewior
2018-10-18  6:22   ` tip-bot for Sebastian Andrzej Siewior

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