On Wed, Sep 24, 2014 at 02:59:27PM -0700, Andrew Morton wrote: > On Sat, 20 Sep 2014 01:03:07 -0700 Peter Feiner <pfei...@google.com> wrote: > > > Fixes the same bug as b43790eedd31e9535b89bbfa45793919e9504c34 and > > 9aed8614af5a05cdaa32a0b78b0f1a424754a958 where the return value of > > pte_*mksoft_dirty was being ignored. > > > > To be sure that no other pte/pmd "mk" function return values were > > being ignored, I annotated the functions in > > arch/x86/include/asm/pgtable.h with __must_check and rebuilt. > > > > Grumble. > > It is useful to identify preceding similar patches but that isn't a > good way of describing *this* patch. What is wrong with the current > code, how does the patch fix it.
The userspace effect is that without this patch softdirty mark might be lost if file mapped pte get zapped. It should go into @stable series after 3.12. > > And, particularly, what do you think are the end-user visible effects > of the bug? This info helps people to work out which kernel versions > need the fix. -- 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/
