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powerpc: Make dummy section a valid note header 

We are declaring the dummy section (used to work around a binutils
bug) as PT_NOTE, but we don't have enough bytes for it to be a valid
note header, and kexec userspace complains:

Warning: Elf Note name is not null terminated
Warning: append= option is not passed. Using the first kernel root partition
Warning: Elf Note name is not null terminated

Instead of using the arbitray value 0xf177 (aka "fill"), declare a
no-name no-description note of type 0.

Signed-off-by: Milton Miller <miltonm@bga.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
This commit is contained in:
Milton Miller 2009-01-02 10:46:04 +00:00 committed by Benjamin Herrenschmidt
parent bd1f7936ab
commit e16459c6b7
1 changed files with 3 additions and 1 deletions
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4
arch/powerpc/kernel/vmlinux.lds.S
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@ -87,7 +87,9 @@ SECTIONS
/* The dummy segment contents for the bug workaround mentioned above /* The dummy segment contents for the bug workaround mentioned above
near PHDRS. */ near PHDRS. */
.dummy : AT(ADDR(.dummy) - LOAD_OFFSET) { .dummy : AT(ADDR(.dummy) - LOAD_OFFSET) {
LONG(0xf177) LONG(0)
LONG(0)
LONG(0)
} :kernel :dummy } :kernel :dummy
/* /*