On Wed, May 15, 2019 at 01:30:42PM +0000, Christophe Leroy wrote: > [Backport of upstream commit b45ba4a51cde29b2939365ef0c07ad34c8321789] > > On powerpc32, patch_instruction() is called by apply_feature_fixups() > which is called from early_init() > > There is the following note in front of early_init(): > * Note that the kernel may be running at an address which is different > * from the address that it was linked at, so we must use RELOC/PTRRELOC > * to access static data (including strings). -- paulus > > Therefore init_mem_is_free must be accessed with PTRRELOC() > > Link: https://bugzilla.kernel.org/show_bug.cgi?id=203597 > Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx> > > --- > Can't apply the upstream commit as such due to several other unrelated stuff > like for instance STRICT_KERNEL_RWX which are missing. > So instead, using same approach as for commit 252eb55816a6f69ef9464cad303cdb3326cdc61d > > Removed the Fixes: tag as I don't know yet the commit Id of the fixed commit on 4.4 branch. > --- > arch/powerpc/lib/code-patching.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Now added, thanks. greg k-h
