Re: [PATCH v2 56/76] ARC: Unaligned access emulation

2013-01-18 Thread Arnd Bergmann
On Friday 18 January 2013, Vineet Gupta wrote: > ARC700 doesn't natively support unaligned access, but can be emulated > -Unaligned Access Exception > -Disassembly at the Fault address to find the exact insn (long/short) > > Also per Arnd's comment, we runtime control it using 2 sysctl knobs: > *

[PATCH v2 56/76] ARC: Unaligned access emulation

2013-01-18 Thread Vineet Gupta
ARC700 doesn't natively support unaligned access, but can be emulated -Unaligned Access Exception -Disassembly at the Fault address to find the exact insn (long/short) Also per Arnd's comment, we runtime control it using 2 sysctl knobs: * SYSCTL_ARCH_UNALIGN_ALLOW: Runtime enable/disble *

[PATCH v2 56/76] ARC: Unaligned access emulation

2013-01-18 Thread Vineet Gupta
ARC700 doesn't natively support unaligned access, but can be emulated -Unaligned Access Exception -Disassembly at the Fault address to find the exact insn (long/short) Also per Arnd's comment, we runtime control it using 2 sysctl knobs: * SYSCTL_ARCH_UNALIGN_ALLOW: Runtime enable/disble *

Re: [PATCH v2 56/76] ARC: Unaligned access emulation

2013-01-18 Thread Arnd Bergmann
On Friday 18 January 2013, Vineet Gupta wrote: ARC700 doesn't natively support unaligned access, but can be emulated -Unaligned Access Exception -Disassembly at the Fault address to find the exact insn (long/short) Also per Arnd's comment, we runtime control it using 2 sysctl knobs: *