linux-kernel - Re: [PATCH] x86/sgx: Replace kmap/kunmap

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Message-ID: <Y0bUK6krEQdnFlOg@kernel.org>
Date:   Wed, 12 Oct 2022 17:50:19 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Dave Hansen <dave.hansen@...el.com>
Cc:     Ira Weiny <ira.weiny@...el.com>,
        Kristen Carlson Accardi <kristen@...ux.intel.com>,
        linux-kernel@...r.kernel.org, linux-sgx@...r.kernel.org,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        x86@...nel.org, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] x86/sgx: Replace kmap/kunmap_atomic calls

On Wed, Oct 12, 2022 at 07:13:26AM -0700, Dave Hansen wrote:
> On 10/12/22 00:15, Jarkko Sakkinen wrote:
> > There's no data to show that this change would be useful to do.
> 
> Jarkko, I think the overall transition to kmap_local_page() is a good
> one.  It is a superior API and having it around will pave the way for
> new features.  I don't think we should demand 'data' for each and every
> one of these.
> 
> Please take a look around the tree and see how other maintainers are
> handling these patches.  They're not limited to SGX.

Sure, I'll take a look for comparison.

BR, Jarkko