On Thu, Mar 22, 2018 at 03:53:36PM +1030, Joel Stanley wrote: > When debugging recent kernels, people will see '(ptrval)' but there > isn't much information as to what that means. Briefly describe why it's > there. > > Signed-off-by: Joel Stanley <joel@xxxxxxxxx> > --- > Documentation/core-api/printk-formats.rst | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/Documentation/core-api/printk-formats.rst b/Documentation/core-api/printk-formats.rst > index 934559b3c130..eb30efdd2e78 100644 > --- a/Documentation/core-api/printk-formats.rst > +++ b/Documentation/core-api/printk-formats.rst > @@ -60,8 +60,8 @@ Plain Pointers > Pointers printed without a specifier extension (i.e unadorned %p) are > hashed to prevent leaking information about the kernel memory layout. This > has the added benefit of providing a unique identifier. On 64-bit machines > -the first 32 bits are zeroed. If you *really* want the address see %px > -below. > +the first 32 bits are zeroed. The kernel will print ``(ptrval)`` until it > +gathers enough entropy. If you *really* want the address see %px below. Acked-by: Tobin C. Harding <me@xxxxxxxx> thanks, Tobin. -- To unsubscribe from this list: send the line "unsubscribe linux-doc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
