diff options
| author |   Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2018-10-08 15:08:31 +1100 |
|---|---|---|
| committer |   Michael Ellerman <mpe@ellerman.id.au> | 2018-12-22 21:43:55 +1100 |
| commit | 505a314fb28ce122091691c51426fa85c084e115 (patch) | |
| tree | df273dfd6018e3812046de00f1e894c31cd7751e /arch/powerpc | |
| parent | macintosh: Use of_node_name_{eq, prefix} for node name comparisons (diff) | |
| download | linux-dev-505a314fb28ce122091691c51426fa85c084e115.tar.xz linux-dev-505a314fb28ce122091691c51426fa85c084e115.zip | |
powerpc: Fix HMIs on big-endian with CONFIG_RELOCATABLE=y
HMIs will crash the kernel due to
BRANCH_LINK_TO_FAR(hmi_exception_realmode)
Calling into the OPD instead of the actual code.
Fixes: 2337d207288f ("powerpc/64: CONFIG_RELOCATABLE support for hmi interrupts")
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Use DOTSYM() rather than #ifdef]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
| -rw-r--r-- | arch/powerpc/kernel/exceptions-64s.S | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S index 89d32bb79d5e..ed3d6fa8be53 100644 --- a/arch/powerpc/kernel/exceptions-64s.S +++ b/arch/powerpc/kernel/exceptions-64s.S @@ -1031,7 +1031,7 @@ TRAMP_REAL_BEGIN(hmi_exception_early) EXCEPTION_PROLOG_COMMON_2(PACA_EXGEN) EXCEPTION_PROLOG_COMMON_3(0xe60) addi r3,r1,STACK_FRAME_OVERHEAD - BRANCH_LINK_TO_FAR(hmi_exception_realmode) /* Function call ABI */ + BRANCH_LINK_TO_FAR(DOTSYM(hmi_exception_realmode)) /* Function call ABI */ cmpdi cr0,r3,0 /* Windup the stack. */ |