From: Ingo Molnar <mingo@elte.hu>
To: Andy Lutomirski <luto@MIT.EDU>
Cc: x86@kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Andi Kleen <andi@firstfloor.org>,
linux-kernel@vger.kernel.org
Subject: Re: [RFT/PATCH v2 4/6] x86-64: vclock_gettime(CLOCK_MONOTONIC) can't ever see nsec < 0
Date: Thu, 7 Apr 2011 09:57:03 +0200 [thread overview]
Message-ID: <20110407075703.GD24879@elte.hu> (raw)
In-Reply-To: <e210b8eea527894eaf3aec8c30c8d2747e87a524.1302137785.git.luto@mit.edu>
* Andy Lutomirski <luto@MIT.EDU> wrote:
> +
> + /* wall_time_nsec, vgetns(), and wall_to_monotonic.tv_nsec
> + * are all guaranteed to be nonnegative.
> + */
> + /* wall_time_nsec and wall_to_monotonic.tv_nsec are
> + * guaranteed to be between 0 and NSEC_PER_SEC.
> + */
Nor have you addressed stylistic review feedback i gave before ...
Really, we absolutely must insist on 110% attention to small details for
patches that modify assembly code.
Thanks,
Ingo
next prev parent reply other threads:[~2011-04-07 7:57 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-07 2:03 [RFT/PATCH v2 0/6] Micro-optimize vclock_gettime Andy Lutomirski
2011-04-07 2:03 ` [RFT/PATCH v2 1/6] x86-64: Clean up vdso/kernel shared variables Andy Lutomirski
2011-04-07 8:08 ` Ingo Molnar
2011-04-07 2:03 ` [RFT/PATCH v2 2/6] x86-64: Optimize vread_tsc's barriers Andy Lutomirski
2011-04-07 8:25 ` Ingo Molnar
2011-04-07 11:44 ` Andrew Lutomirski
2011-04-07 15:23 ` Andi Kleen
2011-04-07 17:28 ` Ingo Molnar
2011-04-07 16:18 ` Linus Torvalds
2011-04-07 16:42 ` Andi Kleen
2011-04-07 17:20 ` Linus Torvalds
2011-04-07 18:15 ` Andi Kleen
2011-04-07 18:30 ` Linus Torvalds
2011-04-07 21:26 ` Andrew Lutomirski
2011-04-08 17:59 ` Andrew Lutomirski
2011-04-09 11:51 ` Ingo Molnar
2011-04-07 21:43 ` Raghavendra D Prabhu
2011-04-07 22:52 ` Andi Kleen
2011-04-07 2:04 ` [RFT/PATCH v2 3/6] x86-64: Don't generate cmov in vread_tsc Andy Lutomirski
2011-04-07 7:54 ` Ingo Molnar
2011-04-07 11:25 ` Andrew Lutomirski
2011-04-07 2:04 ` [RFT/PATCH v2 4/6] x86-64: vclock_gettime(CLOCK_MONOTONIC) can't ever see nsec < 0 Andy Lutomirski
2011-04-07 7:57 ` Ingo Molnar [this message]
2011-04-07 11:27 ` Andrew Lutomirski
2011-04-07 2:04 ` [RFT/PATCH v2 5/6] x86-64: Move vread_tsc into a new file with sensible options Andy Lutomirski
2011-04-07 2:04 ` [RFT/PATCH v2 6/6] x86-64: Turn off -pg and turn on -foptimize-sibling-calls for vDSO Andy Lutomirski
2011-04-07 8:03 ` Ingo Molnar
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