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parisc: Fix kernel memory layout regarding position of __gp

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Architecturally we need to keep __gp below 0x1000000.

But because of ftrace and tracepoint support, the RO_DATA_SECTION now gets much
bigger than it was before. By moving the linkage tables before RO_DATA_SECTION
we can avoid that __gp gets positioned at a too high address.

Cc: [email protected] # 4.4+
Signed-off-by: Helge Deller <[email protected]>
This commit is contained in:
Helge Deller 2016-10-09 11:12:34 +02:00
commit f8850abb7b
1 changed files with 5 additions and 2 deletions
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7
arch/parisc/kernel/vmlinux.lds.S
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@ -90,8 +90,9 @@ SECTIONS
/* Start of data section */
_sdata = .;
RO_DATA_SECTION(8)
/* Architecturally we need to keep __gp below 0x1000000 and thus
* in front of RO_DATA_SECTION() which stores lots of tracepoint
* and ftrace symbols. */
#ifdef CONFIG_64BIT
. = ALIGN(16);
/* Linkage tables */
@ -106,6 +107,8 @@ SECTIONS
}
#endif
RO_DATA_SECTION(8)
/* unwind info */
.PARISC.unwind : {
__start___unwind = .;