Please ignore this one, I'll send an updated patch shortly (only for 5.4, which I've tested).
On Wed, 17 Jun 2020 at 18:37, Rui Salvaterra <[email protected]> wrote: > > (Sending as RFC due to the note below.) > > The Thumb-2 instruction set generates denser code, allowing for more efficient > use of the cache and consequently higher execution performance. > > NOTE: This requires enabling a linker workaround to avoid the emission of > R_ARM_THM_JUMP11 relocations [1] in modules, which the kernel doesn't support. > Since this effectively implies -fno-optimize-sibling-calls [2], we're > generating > suboptimal code. While compat modules load and run correctly without this > workaround, WireGuard fails to load with an unknown relocation 102 error. > > [1] https://static.docs.arm.com/ihi0044/e/IHI0044E_aaelf.pdf (page 28) > [2] > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/tree/arch/arm/Makefile?h=linux-5.4.y#n129 > > Signed-off-by: Rui Salvaterra <[email protected]> > --- > target/linux/mvebu/cortexa9/config-default | 2 ++ > 1 file changed, 2 insertions(+) > create mode 100644 target/linux/mvebu/cortexa9/config-default > > diff --git a/target/linux/mvebu/cortexa9/config-default > b/target/linux/mvebu/cortexa9/config-default > new file mode 100644 > index 0000000000..6aff77fda7 > --- /dev/null > +++ b/target/linux/mvebu/cortexa9/config-default > @@ -0,0 +1,2 @@ > +CONFIG_THUMB2_AVOID_R_ARM_THM_JUMP11=y > +CONFIG_THUMB2_KERNEL=y > -- > 2.27.0 > _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
