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SubjectRe: [PATCH] DYNAMIC_DEBUG: use select DEBUG_FS instead of depends on
On Sat, Oct 26, 2013 at 08:30:00PM -0700, Greg Kroah-Hartman wrote:
> On Sat, Oct 26, 2013 at 10:58:13PM +0200, Krzysztof Mazur wrote:
> > Depending on options that are configured later makes them hard
> > to enable unless the user knows that he must go backwards.
>
> Really? We've had this for well over 2 years, people are confused about
> this?
>
> Where?

The v3.10 is ok - CONFIG_DYNAMIC_DEBUG is after CONFIG_DEBUG_FS.

Maybe it's just me, because on my config I have CONFIG_DEBUG_FS=y,
and on the system I was testing usbatm I had CONFIG_DEBUG_FS=n.

BTW, on x86_64 to disable CONFIG_DEBUG_FS you need to disable
CONFIG_AMD_IOMMU_STATS, which is enabled by default in the
x86_64_defconfig (I think that CONFIG_AMD_IOMMU_STATS=n it's
a better default). If you enable CONFIG_DEBUG_KERNEL you
need to disable CONFIG_FTRACE which is enabled by default.
So a lot of users will have CONFIG_DEBUG_FS already selected.

Thanks,
Krzysiek


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