linux-kernel - Re: [PATCH] x86/fpu/xstate: Export fpu_fpregs_owner

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Message-ID: <eacbe6d2608d8cd8ee90a0cc953c3443d1e849b0.camel@intel.com>
Date:   Fri, 06 Dec 2019 20:42:51 -0800
From:   Yu-cheng Yu <yu-cheng.yu@...el.com>
To:     Borislav Petkov <bp@...en8.de>
Cc:     linux-kernel@...r.kernel.org, x86@...nel.org,
        "H. Peter Anvin" <hpa@...or.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Tony Luck <tony.luck@...el.com>,
        Andy Lutomirski <luto@...nel.org>,
        Rik van Riel <riel@...riel.com>,
        "Ravi V. Shankar" <ravi.v.shankar@...el.com>,
        Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH] x86/fpu/xstate: Export fpu_fpregs_owner_ctx

On Sat, 2019-12-07 at 00:51 +0100, Borislav Petkov wrote:
> On Fri, Dec 06, 2019 at 03:17:09PM -0800, Yu-cheng Yu wrote:
> > After applying my "Invalidate fpregs when __fpu_restore_sig() fails"
> > patch [1], the following happens:
> > 
> >     ERROR: "fpu_fpregs_owner_ctx" [arch/x86/kvm/kvm.ko] undefined!
> > 
> > Fix it by exporting the symbol.  I apologize for missing this!
> 
> So why a separate patch? Just send a v2 as a reply to the incomplete
> one.

I just did that.  Thanks!

Yu-cheng