On Thu, 10 Jan 2019, Jan Beulich wrote:
> >>> On 10.01.19 at 00:42, <sstabell...@kernel.org> wrote:
> > --- a/xen/common/version.c
> > +++ b/xen/common/version.c
> > @@ -147,14 +147,14 @@ static int __init xen_build_init(void)
> > int rc;
> >
> > /* --build-id invoked with wrong parameters. */
> > - if ( __note_gnu_build_id_end <= &n[0] )
> > + if ( SYMBOL(__note_gnu_build_id_end) <= &n[0] )
> > return -ENODATA;
> >
> > /* Check for full Note header. */
> > - if ( &n[1] >= __note_gnu_build_id_end )
> > + if ( &n[1] >= SYMBOL(__note_gnu_build_id_end) )
> > return -ENODATA;
> >
> > - sz = (void *)__note_gnu_build_id_end - (void *)n;
> > + sz = (void *)SYMBOL(__note_gnu_build_id_end) - (void *)n;
>
> Now this is an instance where I wouldn't mind if you switched the
> casts to (unsigned long).
OK
> > --- a/xen/common/virtual_region.c
> > +++ b/xen/common/virtual_region.c
> > @@ -103,13 +103,13 @@ void __init setup_virtual_regions(const struct
> > exception_table_entry *start,
> > {
> > size_t sz;
> > unsigned int i;
> > - static const struct bug_frame *const __initconstrel bug_frames[] = {
> > - __start_bug_frames,
> > - __stop_bug_frames_0,
> > - __stop_bug_frames_1,
> > - __stop_bug_frames_2,
> > + const struct bug_frame *bug_frames[] = {
>
> Please don't loose the second const.
OK
> > --- a/xen/include/xen/kernel.h
> > +++ b/xen/include/xen/kernel.h
> > @@ -66,27 +66,27 @@
> > })
> >
> > extern char _start[], _end[], start[];
> > -#define is_kernel(p) ({ \
> > - char *__p = (char *)(unsigned long)(p); \
> > - (__p >= _start) && (__p < _end); \
> > +#define is_kernel(p) ({ \
> > + char *p__ = (char *)(unsigned long)(p); \
> > + (p__ >= SYMBOL(_start)) && (p__ < SYMBOL(_end)); \
> > })
> >
> > extern char _stext[], _etext[];
> > -#define is_kernel_text(p) ({ \
> > - char *__p = (char *)(unsigned long)(p); \
> > - (__p >= _stext) && (__p < _etext); \
> > +#define is_kernel_text(p) ({ \
> > + char *p__ = (char *)(unsigned long)(p); \
> > + (p__ >= SYMBOL(_stext)) && (p__ < SYMBOL(_etext)); \
> > })
> >
> > extern const char _srodata[], _erodata[];
> > -#define is_kernel_rodata(p) ({ \
> > - const char *__p = (const char *)(unsigned long)(p); \
> > - (__p >= _srodata) && (__p < _erodata); \
> > +#define is_kernel_rodata(p) ({ \
> > + const char *p__ = (const char *)(unsigned long)(p); \
>
> Just like here, in all other of the sibling macros you could easily
> have switched p__ to be const char * as well.
OK
> With at least the bug_frames[] remark taken care of
> Reviewed-by: Jan Beulich <jbeul...@suse.com>
I'll make the changes above and add your reviewed-by
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