Re: [PATCH] x86/fault: Decode page fault OOPSes better

On 08/31/2018 08:42 PM, Andy Lutomirski wrote: > One of Linus' favorite hobbies seems to be looking at OOPSes and > decoding the error code in his head. This is not one of my favorite > hobbies :) I just work around this by having a screenshot of 'enum x86_pf_error_code' as my desktop background.

Re: [PATCH] x86/fault: Decode page fault OOPSes better

On Fri, 31 Aug 2018, Andy Lutomirski wrote: > @@ -671,6 +705,48 @@ show_fault_oops(struct pt_regs *regs, unsigned long > error_code, >address < PAGE_SIZE ? "NULL pointer dereference" : "paging > request", >(void *)address); > > + errcode[0] = 0; error_code v

[PATCH] x86/fault: Decode page fault OOPSes better

One of Linus' favorite hobbies seems to be looking at OOPSes and decoding the error code in his head. This is not one of my favorite hobbies :) Teach the page fault OOPS hander to decode the error code. If it's a !USER fault from user mode, print an explicit note to that effect and print out the