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

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Message-ID: <X9ky2n7VcGEGmODx@google.com>
Date:   Tue, 15 Dec 2020 14:04:10 -0800
From:   Sean Christopherson <seanjc@...gle.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
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, 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.