The code in arch_arm_kprobe was trying to set a breakpoint which resulted in a page fault because the kernel text pages were write protected. Disable the write protect when CONFIG_KPROBES is defined.
Signed-off-by: Ionut Nicu <[EMAIL PROTECTED]> --- include/asm-powerpc/pgtable-ppc32.h | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/include/asm-powerpc/pgtable-ppc32.h b/include/asm-powerpc/pgtable-ppc32.h index d1332bb..ce66f72 100644 --- a/include/asm-powerpc/pgtable-ppc32.h +++ b/include/asm-powerpc/pgtable-ppc32.h @@ -428,7 +428,8 @@ extern int icache_44x_need_flush; #define _PAGE_IO (_PAGE_KERNEL | _PAGE_NO_CACHE | _PAGE_GUARDED) #define _PAGE_RAM (_PAGE_KERNEL | _PAGE_HWEXEC) -#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) +#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\ + defined(CONFIG_KPROBES) /* We want the debuggers to be able to set breakpoints anywhere, so * don't write protect the kernel text */ #define _PAGE_RAM_TEXT _PAGE_RAM -- 1.5.4.2 _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@ozlabs.org https://ozlabs.org/mailman/listinfo/linuxppc-dev
