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Message-ID: <m3y65qv7m8.fsf@fleche.redhat.com> Date: Tue, 08 Feb 2011 09:00:47 -0700 From: Tom Tromey <tromey@...hat.com> To: Hui Zhu <teawater@...il.com> Cc: linux-kernel@...r.kernel.org, Michael Snyder <msnyder@...are.com>, Marc Khouzam <marc.khouzam@...csson.com>, Thiago Jung Bauermann <thiago.bauermann@...il.com>, Steven <mqyoung@...il.com>, colyli@...il.com, Christoph Hellwig <hch@...radead.org>, "gdb\@sourceware.org" <gdb@...rceware.org> Subject: Re: [PATCH] Linux Kernel GDB tracepoint module 2011-02-05 >>>>> ">" == Hui Zhu <teawater@...il.com> writes: >> My gcc is 4.4.5. Does it have VTA? Nope. VTA went in for 4.5. >> Use the patch is easier than update gcc sometimes, right? :) Yeah. >> BTW does VTA can handle the issue that after -O2 a lot of code >> execution order is worong? >> It affect me when I debug the Linux Kernel in qemu. My understanding is that VTA is solely about better tracking of values through optimization passes. It doesn't affect code reordering, by design. Tom -- 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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