On 07/05/2017 02:21 PM, Ram Pai wrote: > Currently sys_pkey_create() provides the ability to disable read > and write permission on the key, at creation. powerpc has the > hardware support to disable execute on a pkey as well.This patch > enhances the interface to let disable execute at key creation > time. x86 does not allow this. Hence the next patch will add > ability in x86 to return error if PKEY_DISABLE_EXECUTE is > specified. > > Signed-off-by: Ram Pai <linuxram@xxxxxxxxxx> > --- > include/uapi/asm-generic/mman-common.h | 4 +++- > 1 files changed, 3 insertions(+), 1 deletions(-) > > diff --git a/include/uapi/asm-generic/mman-common.h b/include/uapi/asm-generic/mman-common.h > index 8c27db0..bf4fa07 100644 > --- a/include/uapi/asm-generic/mman-common.h > +++ b/include/uapi/asm-generic/mman-common.h > @@ -74,7 +74,9 @@ > > #define PKEY_DISABLE_ACCESS 0x1 > #define PKEY_DISABLE_WRITE 0x2 > +#define PKEY_DISABLE_EXECUTE 0x4 > #define PKEY_ACCESS_MASK (PKEY_DISABLE_ACCESS |\ > - PKEY_DISABLE_WRITE) > + PKEY_DISABLE_WRITE |\ > + PKEY_DISABLE_EXECUTE) If you do this, it breaks bisection. Can you please just do this in one patch? -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
