From: Joe Perches <joe@perches.com>
To: Borislav Petkov <bp@alien8.de>
Cc: Chen Gong <gong.chen@linux.intel.com>,
tony.luck@intel.com, naveen.n.rao@linux.vnet.ibm.com,
m.chehab@samsung.com, arozansk@redhat.com,
linux-acpi@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Winischhofer <thomas@winischhofer.net>,
Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>,
Tomi Valkeinen <tomi.valkeinen@ti.com>
Subject: Re: [PATCH v2 3/9] bitops: Introduce a more generic BITMASK macro
Date: Thu, 17 Oct 2013 01:55:12 -0700 [thread overview]
Message-ID: <1382000112.22110.103.camel@joe-AO722> (raw)
In-Reply-To: <20131017084014.GD5036@pd.tnic>
On Thu, 2013-10-17 at 10:40 +0200, Borislav Petkov wrote:
> On Thu, Oct 17, 2013 at 01:32:30AM -0700, Joe Perches wrote:
> > On Thu, 2013-10-17 at 03:38 -0400, Chen Gong wrote:
> > > the point is we can use GENMASK like GENMASK(end_bit, start_bit) but
> > > we don't know the value of end_bit/start_bit at compile-time.
> >
> > True.
> >
> > The BUILD_BUG_ON idea is just to avoid people using
> > GENMASK(1, 2)
>
> They'll notice the 0 pretty quickly when they test their code.
>
> Let's add those checks only when it is really necessary and people have
> actually made that mistake repeatedly.
It's cost free to add the BUILD_BUG_ON
and perhaps you underestimate the runtime
bug checking effort,
next prev parent reply other threads:[~2013-10-17 8:55 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-16 14:55 [PATCH v2 0/9] Extended H/W error log driver Chen, Gong
2013-10-16 14:55 ` [PATCH v2 1/9] ACPI, APEI, CPER: Fix status check during error printing Chen, Gong
2013-10-16 16:53 ` Mauro Carvalho Chehab
2013-10-16 14:55 ` [PATCH v2 2/9] ACPI, CPER: Update cper info Chen, Gong
2013-10-16 16:28 ` Borislav Petkov
2013-10-16 16:52 ` Mauro Carvalho Chehab
2013-10-16 14:56 ` [PATCH v2 3/9] bitops: Introduce a more generic BITMASK macro Chen, Gong
2013-10-16 16:41 ` Borislav Petkov
2013-10-16 17:02 ` Mauro Carvalho Chehab
2013-10-17 2:31 ` Chen Gong
2013-10-17 2:59 ` Joe Perches
2013-10-17 6:30 ` Chen Gong
2013-10-17 6:58 ` Joe Perches
2013-10-17 7:38 ` Chen Gong
2013-10-17 8:32 ` Joe Perches
2013-10-17 8:40 ` Borislav Petkov
2013-10-17 8:55 ` Joe Perches [this message]
2013-10-17 16:10 ` Tony Luck
2013-10-17 18:13 ` Joe Perches
2013-10-16 14:56 ` [PATCH v2 4/9] ACPI, x86: Extended error log driver for x86 platform Chen, Gong
2013-10-16 17:02 ` Borislav Petkov
2013-10-16 14:56 ` [PATCH v2 5/9] DMI: Parse memory device (type 17) in SMBIOS Chen, Gong
2013-10-16 17:05 ` Borislav Petkov
2013-10-17 10:14 ` Mauro Carvalho Chehab
2013-10-16 14:56 ` [PATCH v2 6/9] ACPI, APEI, CPER: Add UEFI 2.4 support for memory error Chen, Gong
2013-10-16 16:43 ` Mauro Carvalho Chehab
2013-10-17 10:23 ` Mauro Carvalho Chehab
2013-10-17 12:16 ` Chen Gong
2013-10-17 12:23 ` Naveen N. Rao
2013-10-16 14:56 ` [PATCH v2 7/9] ACPI, APEI, CPER: Enhance memory reporting capability Chen, Gong
2013-10-16 17:11 ` Borislav Petkov
2013-10-17 10:24 ` Mauro Carvalho Chehab
2013-10-16 14:56 ` [PATCH v2 8/9] ACPI, APEI, CPER: Cleanup CPER memory error output format Chen, Gong
2013-10-16 17:24 ` Borislav Petkov
2013-10-17 10:27 ` Mauro Carvalho Chehab
2013-10-16 14:56 ` [PATCH v2 9/9] ACPI / trace: Add trace interface for eMCA driver Chen, Gong
2013-10-16 15:50 ` Mauro Carvalho Chehab
2013-10-16 17:29 ` Borislav Petkov
2013-10-16 15:06 ` [PATCH v2 0/9] Extended H/W error log driver Chen Gong
2013-10-16 16:05 ` Borislav Petkov
2013-10-16 16:49 ` Joe Perches
2013-10-16 16:56 ` Steven Rostedt
2013-10-16 18:00 ` Borislav Petkov
2013-10-16 18:11 ` Borislav Petkov
2013-10-17 14:33 ` Chen Gong
2013-10-17 15:25 ` Steven Rostedt
2013-10-17 15:35 ` Borislav Petkov
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