parisc: Fix build of compressed kernel even with debug enabled

With debug info enabled (CONFIG_DEBUG_INFO=y) the resulting vmlinux may get
that huge that we need to increase the start addresss for the decompression
text section otherwise one will face a linker error.

Reported-by: Sven Schnelle <svens@stackframe.org>
Tested-by: Sven Schnelle <svens@stackframe.org>
Cc: stable@vger.kernel.org # v4.14+
Signed-off-by: Helge Deller <deller@gmx.de>

diff --git a/arch/parisc/boot/compressed/vmlinux.lds.S b/arch/parisc/boot/compressed/vmlinux.lds.S
index bfd7872..2ac3a64 100644 (file)
--- a/arch/parisc/boot/compressed/vmlinux.lds.S
+++ b/arch/parisc/boot/compressed/vmlinux.lds.S
@@ -48,8 +48,8 @@ SECTIONS
                *(.rodata.compressed)
        }
 
-       /* bootloader code and data starts behind area of extracted kernel */
-       . = (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START);
+       /* bootloader code and data starts at least behind area of extracted kernel */
+       . = MAX(ABSOLUTE(.), (SZ_end - SZparisc_kernel_start + KERNEL_BINARY_TEXT_START));
 
        /* align on next page boundary */
        . = ALIGN(4096);