linux-kernel - Re: [patch 1/8] x86/entry/64: Trace irqflags unconditionally on when returing to user space

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Message-ID: <20200227224502.GC21795@lenoir>
Date:   Thu, 27 Feb 2020 23:45:03 +0100
From:   Frederic Weisbecker <frederic@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Brian Gerst <brgerst@...il.com>,
        Juergen Gross <jgross@...e.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Arnd Bergmann <arnd@...db.de>
Subject: Re: [patch 1/8] x86/entry/64: Trace irqflags unconditionally on when
 returing to user space

On Tue, Feb 25, 2020 at 11:08:02PM +0100, Thomas Gleixner wrote:
> User space cannot longer disable interrupts so trace return to user space
> unconditionally as IRQS_ON.
> 
> Signed-off-by: Thomas Gleixner <tglx@...utronix.de>

Reviewed-by: Frederic Weisbecker <frederic@...nel.org>