Le 11/09/2020 à 01:56, Michael Ellerman a écrit :
Christophe Leroy <christophe.le...@csgroup.eu> writes:low_sleep_handler() has an hardcoded restore of segment registers that doesn't take KUAP and KUEP into account. Use head_32's load_segment_registers() routine instead. Signed-off-by: Christophe Leroy <christophe.le...@csgroup.eu> Fixes: a68c31fc01ef ("powerpc/32s: Implement Kernel Userspace Access Protection") Fixes: 31ed2b13c48d ("powerpc/32s: Implement Kernel Userspace Execution Prevention.") Cc: sta...@vger.kernel.org --- arch/powerpc/platforms/powermac/sleep.S | 9 +-------- 1 file changed, 1 insertion(+), 8 deletions(-)Doesn't build? pmac32_defconfig, gcc 9.3.0: ld: arch/powerpc/platforms/powermac/sleep.o: in function `core99_wake_up': (.text+0x25c): undefined reference to `load_segment_registers' Missing _GLOBAL() presumably?
Oops .. :( v2 sent out. Thanks Christophe
