Hello.
Jason Wessel wrote:
>>> Index: linux-2.6/arch/x86_64/kernel/kgdb.c
>>> ===================================================================
>>> --- linux-2.6.orig/arch/x86_64/kernel/kgdb.c
>>> +++ linux-2.6/arch/x86_64/kernel/kgdb.c
>> Everything in between belongs to x86_64-hw_breakpoints.patch and
>> everything below belongs to x86_64-lite.patch.
Erm... the patches were not separated at this place actually but before
kgdb_arch_handle_exception()... Anyway, x86_64-hw_breakpoints.patch fails to
apply for me now, here's the reject:
***************
*** 187,206 ****
}
- asm volatile ("movq %%db6, %0\n":"=r" (dr6));
if (!(dr6 & 0x4000)) {
for (breakno = 0; breakno < 4; ++breakno) {
- if (dr6 & (1 << breakno)) {
- if (breakinfo[breakno].type == 0) {
- /* Set restore flag */
- linux_regs->eflags |=
- X86_EFLAGS_RF;
- break;
- }
}
}
}
- asm volatile ("movq %0, %%db6\n"::"r" (0UL));
return 0;
}
--- 294,314 ----
}
+ get_debugreg(dr6, 6);
if (!(dr6 & 0x4000)) {
+ int breakno;
+
for (breakno = 0; breakno < 4; ++breakno) {
+ if (dr6 & (1 << breakno) &&
+ breakinfo[breakno].type == 0) {
+ /* Set restore flag */
+ linux_regs->eflags |= X86_EFLAGS_RF;
+ break;
}
}
}
+ set_debugreg(0UL, 6);
+ kgdb_correct_hw_break();
return 0;
}
That change should be in x86_64-lite.patch instead. I should have
separated my patch from the start... maybe it's my quilt though. :-/
WBR, Sergei
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