From: Mikael Pettersson <mikpelinux@xxxxxxxxx> Date: Thu, 3 Aug 2017 22:02:57 +0200 > With that in place the kernel booted fine. > When I then ran the `poll' strace test binary, the OOPS was replaced by: > > [ 140.589913] _copy_from_user(fff000123c8dfa7c, (null), 240) res 240 > [ 140.753162] _copy_from_user(fff000123c8dfa7c, 00000000f7e4a000, 8) res 8 > [ 140.824155] _copy_from_user(fff000123c8dfa7c, 00000000f7e49ff8, 16) res 18442240552407530112 > > That last `res' doesn't look good. Please test this patch: diff --git a/arch/sparc/lib/U3memcpy.S b/arch/sparc/lib/U3memcpy.S index 54f9870..5a8cb37 100644 --- a/arch/sparc/lib/U3memcpy.S +++ b/arch/sparc/lib/U3memcpy.S @@ -145,13 +145,13 @@ ENDPROC(U3_retl_o2_plus_GS_plus_0x08) ENTRY(U3_retl_o2_and_7_plus_GS) and %o2, 7, %o2 retl - add %o2, GLOBAL_SPARE, %o2 + add %o2, GLOBAL_SPARE, %o0 ENDPROC(U3_retl_o2_and_7_plus_GS) ENTRY(U3_retl_o2_and_7_plus_GS_plus_8) add GLOBAL_SPARE, 8, GLOBAL_SPARE and %o2, 7, %o2 retl - add %o2, GLOBAL_SPARE, %o2 + add %o2, GLOBAL_SPARE, %o0 ENDPROC(U3_retl_o2_and_7_plus_GS_plus_8) #endif -- To unsubscribe from this list: send the line "unsubscribe sparclinux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
