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Date: Mon, 13 Jul 2009 10:11:40 +0200 From: Michal Marek <mmarek@...e.cz> To: Jan Beulich <JBeulich@...ell.com> Cc: Rusty Russell <rusty@...tcorp.com.au>, Ingo Molnar <mingo@...e.hu>, tony.luck@...el.com, Jon Masters <jonathan@...masters.org>, Thomas Gleixner <tglx@...utronix.de>, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, linux-modules@...r.kernel.org, hpa@...or.com Subject: Re: [PATCH] reduce export symbol CRC table size on 64-bit archs Jan Beulich napsal(a): > Actually I meanwhile think that module-init-tools can easily detect the changed > layout without any further kernel side adjustments: Since it is known that a > CRC always is a 32-bit value, simply checking whether the so-far-used 64-bit > value has more than 32 significant bits should suffice: If so, the new layout > is being used (with the symbol name starting at offset 4), else the old one is > in effect (name at offset 8). This ought to be a pretty trivial change to that > code. But old module-init-tools will continue reading garbage in this case. Michal -- 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/
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