Re: linux-next: manual merge of the akpm-current tree with the powerpc tree

Stephen Rothwell
2020-12-17T00:49:36Z

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Hi all,

On Tue, 8 Dec 2020 20:40:16 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote:
>
> Today's linux-next merge of the akpm-current tree got conflicts in:
>
> drivers/misc/lkdtm/Makefile
> drivers/misc/lkdtm/lkdtm.h
> tools/testing/selftests/lkdtm/tests.txt
>
> between commit:
>
> 3ba150fb2120 ("lkdtm/powerpc: Add SLB multihit test")
>
> from the powerpc tree and commit:
>
> 014a486edd8a ("drivers/misc/lkdtm: add new file in LKDTM to test fortified strscpy")
>
> from the akpm-current tree.
>
> I fixed it up (see below) and can carry the fix as necessary. This
> is now fixed as far as linux-next is concerned, but any non trivial
> conflicts should be mentioned to your upstream maintainer when your tree
> is submitted for merging. You may also want to consider cooperating
> with the maintainer of the conflicting tree to minimise any particularly
> complex conflicts.
>
>
> diff --cc drivers/misc/lkdtm/Makefile
> index 5a92c74eca92,d898f7b22045..000000000000
> --- a/drivers/misc/lkdtm/Makefile
> +++ b/drivers/misc/lkdtm/Makefile
> @@@ -10,7 -10,7 +10,8 @@@ lkdtm-$(CONFIG_LKDTM) += rodata_objcop
> lkdtm-$(CONFIG_LKDTM) += usercopy.o
> lkdtm-$(CONFIG_LKDTM) += stackleak.o
> lkdtm-$(CONFIG_LKDTM) += cfi.o
> + lkdtm-$(CONFIG_LKDTM) += fortify.o
> +lkdtm-$(CONFIG_PPC_BOOK3S_64) += powerpc.o
>
> KASAN_SANITIZE_stackleak.o := n
> KCOV_INSTRUMENT_rodata.o := n
> diff --cc drivers/misc/lkdtm/lkdtm.h
> index 79ec05c18dd1,6aa6d6a1a839..000000000000
> --- a/drivers/misc/lkdtm/lkdtm.h
> +++ b/drivers/misc/lkdtm/lkdtm.h
> @@@ -102,7 -104,7 +104,10 @@@ void lkdtm_STACKLEAK_ERASING(void)
> /* cfi.c */
> void lkdtm_CFI_FORWARD_PROTO(void);
>
> + /* fortify.c */
> + void lkdtm_FORTIFIED_STRSCPY(void);
> +
> +/* powerpc.c */
> +void lkdtm_PPC_SLB_MULTIHIT(void);
> +
> #endif
> diff --cc tools/testing/selftests/lkdtm/tests.txt
> index 18e4599863c0,92ba4cc41314..000000000000
> --- a/tools/testing/selftests/lkdtm/tests.txt
> +++ b/tools/testing/selftests/lkdtm/tests.txt
> @@@ -68,4 -68,4 +68,5 @@@ USERCOPY_STACK_BEYON
> USERCOPY_KERNEL
> STACKLEAK_ERASING OK: the rest of the thread stack is properly erased
> CFI_FORWARD_PROTO
> + FORTIFIED_STRSCPY
> +PPC_SLB_MULTIHIT Recovered

These conflicts are now between the powerpc tree and Linus' tree.