s390: put _stext and _etext into .text section

Perf relies on _etext and _stext symbols being one of 't', 'T', 'v' or
'V'. Put them into .text section to guarantee that.

Also moves padding to page boundary inside .text which has an effect that
.text section is now padded with nops rather than 0's, which apparently
has been the initial intention for specifying 0x0700 fill expression.

Reported-by: Thomas Richter <tmricht@linux.ibm.com>
Tested-by: Thomas Richter <tmricht@linux.ibm.com>
Suggested-by: Andreas Krebbel <krebbel@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

diff --git a/arch/s390/kernel/vmlinux.lds.S b/arch/s390/kernel/vmlinux.lds.S
index 49d5532..7e0eb40 100644 (file)
--- a/arch/s390/kernel/vmlinux.lds.S
+++ b/arch/s390/kernel/vmlinux.lds.S
@@ -32,10 +32,9 @@ PHDRS {
 SECTIONS
 {
        . = 0x100000;
-       _stext = .;             /* Start of text section */
        .text : {
-               /* Text and read-only data */
-               _text = .;
+               _stext = .;             /* Start of text section */
+               _text = .;              /* Text and read-only data */
                HEAD_TEXT
                TEXT_TEXT
                SCHED_TEXT
@@ -47,11 +46,10 @@ SECTIONS
                *(.text.*_indirect_*)
                *(.fixup)
                *(.gnu.warning)
+               . = ALIGN(PAGE_SIZE);
+               _etext = .;             /* End of text section */
        } :text = 0x0700
 
-       . = ALIGN(PAGE_SIZE);
-       _etext = .;             /* End of text section */
-
        NOTES :text :note
 
        .dummy : { *(.dummy) } :data