On 6/28/19 9:25 PM, Christophe Leroy wrote:
On 8xx, breakpoints stop after executing the instruction, so
stepping/emulation is not needed. Move it into a sub-function and
remove the #ifdefs.
Signed-off-by: Christophe Leroy <redacted>
---
Reviewed-by: Ravi Bangoria <redacted>
Just one neat below...
[...]
quoted hunk ↗ jump to hunk
-#ifndef CONFIG_PPC_8xx
- /* Do not emulate user-space instructions, instead single-step them */
- if (user_mode(regs)) {
- current->thread.last_hit_ubp = bp;
- regs->msr |= MSR_SE;
+ if (!IS_ENABLED(CONFIG_PPC_8xx) && !stepping_handler(regs, bp, info->address))
May be split this line. It's 86 chars long and checkpatch.pl is warning
about this:
WARNING: line over 80 characters
#257: FILE: arch/powerpc/kernel/hw_breakpoint.c:282:
+ if (!IS_ENABLED(CONFIG_PPC_8xx) && !stepping_handler(regs, bp, info->address))