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Date: Tue, 29 Apr 2008 17:14:03 +0200 From: Ingo Molnar <mingo@...e.hu> To: "Waskiewicz Jr, Peter P" <peter.p.waskiewicz.jr@...el.com> Cc: torvalds@...ux-foundation.org, linux-kernel@...r.kernel.org, netdev@...r.kernel.org, Rusty Russell <rusty@...tcorp.com.au> Subject: Re: [PATCH] ARCH: Fix 32-bit x86 MSI-X allocation leakage * Waskiewicz Jr, Peter P <peter.p.waskiewicz.jr@...el.com> wrote: > > * PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com> wrote: > > > > > This bug was introduced in the 2.6.24 i386/x86_64 tree merge, [...] > > > > that's wrong, that code was there in v2.6.23 too - and it wasnt > > touched in the unification. Why do you think it was introduced in > > the i386/x86_64 tree merge? > > 2.6.23.17 didn't have the used_vectors bitmap. The first time I could > find it used was in 2.6.24. Where was the code existing in 2.6.23? > The addition may have not been part of the merge, but it was > definitely introduced in the same timeframe, meaning the 2.6.24 > release timeframe. that change came in via lguest (commit dbeb2be2), not the 32-bit/64-bit x86 unification. Lguest is a new feature in 2.6.24 and this side-effect of it was not known until you fixed it - thanks for that! So i was just splitting hairs over your statement that it was due to the unification :-) Ingo -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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