linux-kernel - Re: [PATCH v4 2/8] swiotlb: add documentation and rename swiotlb_do_find

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Message-ID: <20230720080110.GA6358@lst.de>
Date:   Thu, 20 Jul 2023 10:01:10 +0200
From:   Christoph Hellwig <hch@....de>
To:     Petr Tesařík <petr@...arici.cz>
Cc:     Christoph Hellwig <hch@....de>,
        Petr Tesarik <petrtesarik@...weicloud.com>,
        Stefano Stabellini <sstabellini@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>,
        "maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)" <x86@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Juergen Gross <jgross@...e.com>,
        Oleksandr Tyshchenko <oleksandr_tyshchenko@...m.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Robin Murphy <robin.murphy@....com>,
        Petr Tesarik <petr.tesarik.ext@...wei.com>,
        Jonathan Corbet <corbet@....net>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Hans de Goede <hdegoede@...hat.com>,
        James Seo <james@...iv.tech>,
        James Clark <james.clark@....com>,
        Kees Cook <keescook@...omium.org>,
        "moderated list:XEN HYPERVISOR ARM" <xen-devel@...ts.xenproject.org>,
        "moderated list:ARM PORT" <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:MIPS" <linux-mips@...r.kernel.org>,
        "open list:XEN SWIOTLB SUBSYSTEM" <iommu@...ts.linux.dev>,
        Roberto Sassu <roberto.sassu@...weicloud.com>,
        Kefeng Wang <wangkefeng.wang@...wei.com>
Subject: Re: [PATCH v4 2/8] swiotlb: add documentation and rename
 swiotlb_do_find_slots()

On Thu, Jul 20, 2023 at 09:56:09AM +0200, Petr Tesařík wrote:
> On Thu, 20 Jul 2023 08:38:19 +0200
> Christoph Hellwig <hch@....de> wrote:
> 
> > On Thu, Jul 13, 2023 at 05:23:13PM +0200, Petr Tesarik wrote:
> > > From: Petr Tesarik <petr.tesarik.ext@...wei.com>
> > > 
> > > Add some kernel-doc comments and move the existing documentation of struct
> > > io_tlb_slot to its correct location. The latter was forgotten in commit
> > > 942a8186eb445 ("swiotlb: move struct io_tlb_slot to swiotlb.c").
> > > 
> > > Use the opportunity to give swiotlb_do_find_slots() a more descriptive
> > > name, which makes it clear how it differs from swiotlb_find_slots().  
> > 
> > Please keep the swiotlb_ prefix.  Otherwise this looks good to me.
> 
> Will do. Out of curiosity, why does it matter for a static (file-local)
> function?

Because it makes looking at stack traces much easier.