On Thu, 2020-01-23 at 11:19 +0000, Laurentiu Tudor wrote:
In the current implementation, the call to loadcam_multi() is wrapped between switch_to_as1() and restore_to_as0() calls so, when it tries to create its own temporary AS=1 TLB1 entry, it ends up duplicating the existing one created by switch_to_as1(). Add a check to skip creating the temporary entry if already running in AS=1.
Fixes: d9e1831a4202 ("powerpc/85xx: Load all early TLB entries at once") Signed-off-by: Laurentiu Tudor laurentiu.tudor@nxp.com Cc: stable@vger.kernel.org
arch/powerpc/mm/nohash/tlb_low.S | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-)
Assuming you've tested this on all combinations of 32/64 relocatable and not:
Acked-by: Scott Wood oss@buserror.net
-Scott