On Tue, Jul 28, 2015 at 07:31:20AM +0100, yalin wang wrote: > > > On Jul 24, 2015, at 19:52, yalin wang <yalin.wang2...@gmail.com> wrote: > > > > A little change to patch_map() function, > > use set_fixmap_offset() to make code more clear. > > > > Signed-off-by: yalin wang <yalin.wang2...@gmail.com> > > --- > > arch/arm64/kernel/insn.c | 5 ++--- > > 1 file changed, 2 insertions(+), 3 deletions(-) > > > > diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c > > index dd9671c..f341866 100644 > > --- a/arch/arm64/kernel/insn.c > > +++ b/arch/arm64/kernel/insn.c > > @@ -101,9 +101,8 @@ static void __kprobes *patch_map(void *addr, int fixmap) > > return addr; > > > > BUG_ON(!page); > > - set_fixmap(fixmap, page_to_phys(page)); > > - > > - return (void *) (__fix_to_virt(fixmap) + (uintaddr & ~PAGE_MASK)); > > + return (void *)set_fixmap_offset(fixmap, page_to_phys(page) + > > + (uintaddr & ~PAGE_MASK)); > > } > > > > static void __kprobes patch_unmap(int fixmap) > > -- > > 1.9.1 > > > Marinas, > this V2 patch can build without warning even CONFIG_DEBUG_SET_MODULE_RONX > enabled, > could you review it. > Thanks.
I queued this already for 4.3. There's a (benign) sparse warning about the addr parameter to patch_map being overridden by the local scope of set_fixmap_offset which could be solved with a healthy portion of underscores in the core code. Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/