linux-kernel - Re: [PATCH] x86/sgx: Synchronize encl->srcu in sgx_encl

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Message-ID: <20201216122530.GA14421@kernel.org>
Date:   Wed, 16 Dec 2020 14:25:30 +0200
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Sean Christopherson <seanjc@...gle.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        linux-sgx@...r.kernel.org, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>
Subject: Re: [PATCH] x86/sgx: Synchronize encl->srcu in sgx_encl_release().

On Tue, Dec 15, 2020 at 02:04:10PM -0800, Sean Christopherson wrote:
> On Tue, Dec 15, 2020, Jarkko Sakkinen wrote:
> > On Mon, Dec 14, 2020 at 11:01:32AM -0800, Sean Christopherson wrote:
> > > Haitao reported the bug, and for all intents and purposes provided the fix.  I
> > > just did the analysis to verify that there was a legitimate bug and that the
> > > synchronization in sgx_encl_release() was indeed necessary.
> > 
> > Good and valid point. The way I see it, the tags should be:
> > 
> > Reported-by: Haitao Huang <haitao.huang@...ux.intel.com>
> > Suggested-by: Sean Christopherson <seanjc@...gle.com>
> > 
> > Haitao pointed out the bug but from your analysis I could resolve that
> > this is the fix to implement, and was able to write the long
> > description for the commit.
> > 
> > Does this make sense to you?
> 
> Yep, works for me.

I'll just add two suggested-by's. Process guide does not forbid that
and it best describes matters.

/Jarkko