Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-21 Thread Ingo Molnar
* Muli Ben-Yehuda <[EMAIL PROTECTED]> wrote: > > but i still /strongly/ disagree with your attitude that mainline is > > 'experimental' and hence there's nothing to see here, move over. > > We can agree to disagree about how "experimental" mainline should be. > [...] there's not much to disag

Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-21 Thread Muli Ben-Yehuda
On Thu, Dec 21, 2006 at 11:37:02AM +0100, Ingo Molnar wrote: > I think in the future it would be better to annotate the introduction of > new, widely used codepaths via KERN_DEBUG printouts, something along the > lines of: > > printk(KERN_DEBUG "calgary: running new EBDA code.\n"); >

Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-21 Thread Ingo Molnar
* Muli Ben-Yehuda <[EMAIL PROTECTED]> wrote: > > > it would be used, period. You may disagree, but fundamentally I > > > think the mainline kernel should be fairly experimental, which > > > means enabling new code by default. > > > > that's a totally wrong attitude - the mainline kernel is /no

Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-20 Thread Muli Ben-Yehuda
On Wed, Dec 20, 2006 at 05:23:38PM +0100, Ingo Molnar wrote: > > I think that it makes sense to have it default y for the mainline > > kernel and default n for the distro kernels, which is why I added the > > option to make it possible to compile Calgary in but only enable it if > > you want to

Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-20 Thread Ingo Molnar
* Muli Ben-Yehuda <[EMAIL PROTECTED]> wrote: > On Wed, Dec 20, 2006 at 11:28:46AM +0100, Ingo Molnar wrote: > > > config CALGARY_IOMMU_ENABLED_BY_DEFAULT > > bool "Should Calgary be enabled by default?" > > default y > > depends on CALGARY_IOMMU > > help > >

Re: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-20 Thread Muli Ben-Yehuda
On Wed, Dec 20, 2006 at 11:28:46AM +0100, Ingo Molnar wrote: > config CALGARY_IOMMU_ENABLED_BY_DEFAULT > bool "Should Calgary be enabled by default?" > default y > depends on CALGARY_IOMMU > help > Should Calgary be enabled by default? if you choose 'y',

[patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT

2006-12-20 Thread Ingo Molnar
Subject: [patch] x86_64: fix boot hang caused by CALGARY_IOMMU_ENABLED_BY_DEFAULT From: Ingo Molnar <[EMAIL PROTECTED]> one of my boxes didnt boot the 2.6.20-rc1-rt0 kernel rpm, it hung during early bootup. After an hour or two of happy debugging i narrowed it down