As reported:

        Documentation/powerpc/syscall64-abi.rst:53: WARNING: Malformed table.
        Text in column margin in table line 2.

        =========== ============= ========================================
        --- For the sc instruction, differences with the ELF ABI ---
        r0          Volatile      (System call number.)

This table requires a different notation to be valid.

Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
 Documentation/powerpc/syscall64-abi.rst | 32 ++++++++++++-------------
 1 file changed, 16 insertions(+), 16 deletions(-)

diff --git a/Documentation/powerpc/syscall64-abi.rst 
b/Documentation/powerpc/syscall64-abi.rst
index 379817ca64d2..cf9b2857c72a 100644
--- a/Documentation/powerpc/syscall64-abi.rst
+++ b/Documentation/powerpc/syscall64-abi.rst
@@ -49,22 +49,22 @@ Register preservation rules
 Register preservation rules match the ELF ABI calling sequence with the
 following differences:
 
---- For the sc instruction, differences with the ELF ABI ---
-=========== ============= ========================================
-r0          Volatile      (System call number.)
-r3          Volatile      (Parameter 1, and return value.)
-r4-r8       Volatile      (Parameters 2-6.)
-cr0         Volatile      (cr0.SO is the return error condition.)
-cr1, cr5-7  Nonvolatile
-lr          Nonvolatile
-=========== ============= ========================================
-
---- For the scv 0 instruction, differences with the ELF ABI ---
-=========== ============= ========================================
-r0          Volatile      (System call number.)
-r3          Volatile      (Parameter 1, and return value.)
-r4-r8       Volatile      (Parameters 2-6.)
-=========== ============= ========================================
++------------------------------------------------------------------------+
+|        For the sc instruction, differences with the ELF ABI           |
++--------------+--------------+------------------------------------------+
+| r0           | Volatile     | (System call number.)                   |
+| rr3          | Volatile     | (Parameter 1, and return value.)        |
+| rr4-r8       | Volatile     | (Parameters 2-6.)                       |
+| rcr0         | Volatile     | (cr0.SO is the return error condition.)        
 |
+| rcr1, cr5-7  | Nonvolatile  |                                                
 |
+| rlr          | Nonvolatile  |                                                
 |
++--------------+--------------+------------------------------------------+
+|      For the scv 0 instruction, differences with the ELF ABI          |
++--------------+--------------+------------------------------------------+
+| r0           | Volatile     | (System call number.)                   |
+| r3           | Volatile     | (Parameter 1, and return value.)        |
+| r4-r8        | Volatile     | (Parameters 2-6.)                       |
++--------------+--------------+------------------------------------------+
 
 All floating point and vector data registers as well as control and status
 registers are nonvolatile.
-- 
2.26.2

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