Le 20/09/2018 à 15:13, Michael Ellerman a écrit :
Joe Perches <j...@perches.com> writes:

On Tue, 2018-09-18 at 09:33 +0000, Christophe Leroy wrote:
On the below patch, checkpatch reports

WARNING: struct kgdb_arch should normally be const
#127: FILE: arch/powerpc/kernel/kgdb.c:480:
+struct kgdb_arch arch_kgdb_ops;

But when I add 'const', I get compilation failure

So don't add const.

checkpatch is stupid.  You are not.

_Always_ take checkpatch bleats with very
large grains of salt.

Perhaps send a patch to remove kgbd_arch
from scripts/const_structs.checkpatch as
it seems not ever to be const.

I think it could/should be const though, it just requires updating all
arches.


Yes I was thinking about doing it, but first thing is to change the way MIPS initialises it:


struct kgdb_arch arch_kgdb_ops;

int kgdb_arch_init(void)
{
        union mips_instruction insn = {
                .r_format = {
                        .opcode = spec_op,
                        .func   = break_op,
                }
        };
        memcpy(arch_kgdb_ops.gdb_bpt_instr, insn.byte, BREAK_INSTR_SIZE);


Can this be done staticaly ?

Christophe

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