Commit-ID: 7b698ea377e10b074ceef0d79218e6622d618421 Gitweb: http://git.kernel.org/tip/7b698ea377e10b074ceef0d79218e6622d618421 Author: Brian Gerst <brgerst@xxxxxxxxx> AuthorDate: Mon, 17 Jan 2011 07:32:10 -0500 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Tue, 18 Jan 2011 14:58:37 +0100 x86: Clear irqstack thread_info Mathias Merz reported that v2.6.37 failed to boot on his system. Make sure that the thread_info part of the irqstack is initialized to zeroes. Reported-and-Tested-by: Matthias Merz <linux@xxxxxxxxxx> Signed-off-by: Brian Gerst <brgerst@xxxxxxxxx> Acked-by: Pekka Enberg <penberg@xxxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> LKML-Reference: <AANLkTimyKXfJ1x8tgwrr1hYnNLrPfgE1NTe4z7L6tUDm@xxxxxxxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- arch/x86/kernel/irq_32.c | 7 ++----- 1 files changed, 2 insertions(+), 5 deletions(-) diff --git a/arch/x86/kernel/irq_32.c b/arch/x86/kernel/irq_32.c index 96656f2..5206bb9 100644 --- a/arch/x86/kernel/irq_32.c +++ b/arch/x86/kernel/irq_32.c @@ -129,8 +129,7 @@ void __cpuinit irq_ctx_init(int cpu) irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); - irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; + memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); irqctx->tinfo.cpu = cpu; irqctx->tinfo.preempt_count = HARDIRQ_OFFSET; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); @@ -140,10 +139,8 @@ void __cpuinit irq_ctx_init(int cpu) irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); - irqctx->tinfo.task = NULL; - irqctx->tinfo.exec_domain = NULL; + memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); irqctx->tinfo.cpu = cpu; - irqctx->tinfo.preempt_count = 0; irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); per_cpu(softirq_ctx, cpu) = irqctx; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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