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Date: Sat, 4 Nov 2006 18:29:54 +0100 From: Ingo Molnar <mingo@...e.hu> To: Falk Hueffner <falk@...ian.org> Cc: linux-kernel@...r.kernel.org, Linus Torvalds <torvalds@...l.org> Subject: Re: ipc/msg.c "cleanup" breaks fakeroot on Alpha * Falk Hueffner <falk@...ian.org> wrote: > - struct msg_msg* volatile r_msg; > + volatile struct msg_msg *r_msg; > }; > > breaks fakeroot on Alpha (variously hangs or oopses). Backing it out > of 2.6.19-rc4 fixes the issue. Is it possible that this change (which > clearly does change semantics) was made in error? correct, it was an error, lets back it out. Another interesting question is: what in the IPC code relies on the volatility of this field, and shouldnt it be converted to explicit barriers instead? Ingo - 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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