linux-kernel - Re: [PATCH 00/25] Change time_t and clock

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Mon, 19 May 2014 20:20:30 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	"Joseph S. Myers" <joseph@...esourcery.com>
Cc:	Chung-Lin Tang <cltang@...esourcery.com>,
	John Stultz <john.stultz@...aro.org>,
	Geert Uytterhoeven <geert@...ux-m68k.org>,
	Christoph Hellwig <hch@...radead.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ley Foon Tan <lftan@...era.com>,
	Linux-Arch <linux-arch@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	LeyFoon Tan <lftan.linux@...il.com>
Subject: Re: [PATCH 00/25] Change time_t and clock_t to 64 bit

On Monday 19 May 2014 18:12:18 Joseph S. Myers wrote:
> On Mon, 19 May 2014, Arnd Bergmann wrote:
> 
> > A related question would be how you plan to support future CPU architectures
> > that never had the 32-bit time_t in the kernel ABI. Would you also want
> > to provide both 32 and 64 bit time_t to user space on those?
> 
> I'd expect those just to have 64-bit time_t in userspace (like x32) - 
> choosing a different type for time_t from the start is a lot simpler than 
> setting up a second set of interfaces with associated symbol versioning 
> for an existing architecture.  This whole discussion started with the 
> question of whether Nios II should be such an architecture....

Ok
 
> (Other variants may arise as well, e.g. architectures with existing kernel 
> support that only get glibc support later.)

Good point.

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/