linux-kernel - Re: [PATCH v2 2/3] lib/vsprintf: Split out sprintf() and friends

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Message-ID: <ZNEKNWJGnksCNJnZ@smile.fi.intel.com>
Date:   Mon, 7 Aug 2023 18:13:57 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Petr Mladek <pmladek@...e.com>
Cc:     Marco Elver <elver@...gle.com>, linux-kernel@...r.kernel.org,
        kasan-dev@...glegroups.com, linux-mm@...ck.org,
        Steven Rostedt <rostedt@...dmis.org>,
        Rasmus Villemoes <linux@...musvillemoes.dk>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        Alexander Potapenko <glider@...gle.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH v2 2/3] lib/vsprintf: Split out sprintf() and friends

On Mon, Aug 07, 2023 at 06:11:24PM +0300, Andy Shevchenko wrote:
> On Mon, Aug 07, 2023 at 06:09:54PM +0300, Andy Shevchenko wrote:
> > On Mon, Aug 07, 2023 at 05:03:19PM +0200, Petr Mladek wrote:
> > > On Sat 2023-08-05 20:50:26, Andy Shevchenko wrote:

...

> > > How does this sound, please?
> > 
> > Not every user (especially _header_) wants to have printk.h included just for
> > sprintf.h that may have nothing to do with real output. So, same reasoning
> > from me as keeping that in kernel.h, i.e. printk.h no better.
> 
> (haven't check these, just to show how many _headers_ uses sprintf() call)
> 
> $ git grep -lw s.*printf -- include/linux/
> include/linux/acpi.h
> include/linux/audit.h
> include/linux/btf.h
> include/linux/dev_printk.h
> include/linux/device-mapper.h
> include/linux/efi.h
> include/linux/fortify-string.h
> include/linux/fs.h
> include/linux/gameport.h
> include/linux/kdb.h
> include/linux/kdev_t.h
> include/linux/kernel.h
> include/linux/mmiotrace.h
> include/linux/netlink.h
> include/linux/pci-p2pdma.h
> include/linux/perf_event.h
> include/linux/printk.h
> include/linux/seq_buf.h
> include/linux/seq_file.h
> include/linux/shrinker.h
> include/linux/string.h
> include/linux/sunrpc/svc_xprt.h
> include/linux/tnum.h
> include/linux/trace_seq.h
> include/linux/usb.h
> include/linux/usb/gadget_configfs.h

Okay, revised as my regexp was too lazy

$ git grep -lw s[^[:space:]_]*printf -- include/linux/
include/linux/btf.h
include/linux/device-mapper.h
include/linux/efi.h
include/linux/fortify-string.h
include/linux/kdev_t.h
include/linux/kernel.h
include/linux/netlink.h
include/linux/pci-p2pdma.h
include/linux/perf_event.h
include/linux/sunrpc/svc_xprt.h
include/linux/tnum.h
include/linux/usb.h
include/linux/usb/gadget_configfs.h


-- 
With Best Regards,
Andy Shevchenko