Re: [PATCH] traps:Recover undefined user instruction on ARM

2018-10-05 Thread Russell King - ARM Linux
On Fri, Oct 05, 2018 at 10:15:57AM +0530, Manjeet Pawar wrote: > From: Rohit Thapliyal > > During user undefined instruction exception, the arm exception > handler currently results in application crash through SIGILL. > The bad instruction can be due to ddr/hardware issue. > For such cases, exc

Re: [PATCH] traps:Recover undefined user instruction on ARM

2018-10-05 Thread Mark Rutland
On Fri, Oct 05, 2018 at 10:15:57AM +0530, Manjeet Pawar wrote: > From: Rohit Thapliyal > > During user undefined instruction exception, the arm exception > handler currently results in application crash through SIGILL. > The bad instruction can be due to ddr/hardware issue. If the DDR controlle

Re: [PATCH] traps:Recover undefined user instruction on ARM

2018-10-05 Thread Robin Murphy
On 05/10/18 05:45, Manjeet Pawar wrote: From: Rohit Thapliyal During user undefined instruction exception, the arm exception handler currently results in application crash through SIGILL. The bad instruction can be due to ddr/hardware issue. For such cases, exception trap handler could try to r

[PATCH] traps:Recover undefined user instruction on ARM

2018-10-04 Thread Manjeet Pawar
From: Rohit Thapliyal During user undefined instruction exception, the arm exception handler currently results in application crash through SIGILL. The bad instruction can be due to ddr/hardware issue. For such cases, exception trap handler could try to recover the corrupted text by clearing pag