> <snip>

Hi Thomas,

Could you please fix your patch since there are multiple issues with it
1) I does not apply cleanly against the current linux tree 
   mostly due to kmsg_dump.c which is not in the proper format
   it should be b/arch/um/kernel/kmsg_dump.c like the rest of the patch

2) After fixing this it did not build
   Please make sure to build test your patch on a fresh checkout of the tree
   by applying your patch, make ARCH=um mrproper, make ARCH=um defconfig make 
ARCH=um

3) The patch itself does not comply to patch standards.
   please read Documentation/SubmittingPatches for more information
   you can use scripts/checkpatch.pl to check for common errors
   eg: Signed-off-by is missing, etc.


Now that we're done with the non-technical things, I don't like 

a) that you move the inline function (current_thread_info) out of the
   header file

b) introduce a branch into this function which is most likely never taken
   (you could use if (unlikely(!is_kernel_addr((void *)ti)) )

c) I'd personally would make is_kernel_addr either an inline function or a macro

d) please split up the 2 changes in to different patches
   1) return init_thread_info if not kernel_addr
   2) add kmsg_dumper to panic_exit()

e) I'm not sure if returning init_thread_info is the right approach, it might
   mask other errors like memory corruption bugs, etc.

I do like the kmsg_dumper thing, so would you mind sending this as a separate 
patch ?

Cheers,

Daniel

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