Hi- On 11/22/20 8:53 PM, Masahiro Yamada wrote: > --- > > Documentation/kbuild/makefiles.rst | 61 +++++++++++++++++------------- > Documentation/kbuild/modules.rst | 2 +- > 2 files changed, 35 insertions(+), 28 deletions(-) > > diff --git a/Documentation/kbuild/makefiles.rst b/Documentation/kbuild/makefiles.rst > index a7b874097a91..2a5232b321af 100644 > --- a/Documentation/kbuild/makefiles.rst > +++ b/Documentation/kbuild/makefiles.rst > > 9 Kbuild Variables > ================== > @@ -1564,6 +1561,16 @@ The top Makefile exports the following variables: > > make ARCH=m68k ... > > + SRCARCH > + This variable speficifies the directory in arch/ to build. specifies > + > + ARCH and SRCARCH may not necessarily match. A couple of arch > + directories are biarch, that is, a single arch/*/ directory supports > + both 32-bit and 64-bit. > + > + For example, you can pass in ARCH=i386, ARCH=x86_64, or ARCH=x86. > + For all of them, SRCARCH=x86 because arch/x86/ supports both i386 and > + x86_64. > > INSTALL_PATH > This variable defines a place for the arch Makefiles to install Reviewed-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx> thanks. -- ~Randy
