ARM: 9160/1: NOMMU: Reload __secondary_data after PROCINFO_INITFUNC

__secondary_data used to reside in r7 around call to
PROCINFO_INITFUNC. After commit 95731b8ee63e ("ARM: 9059/1: cache-v7:
get rid of mini-stack") r7 is used as a scratch register, so we have
to reload __secondary_data before we setup the stack pointer.

Fixes: 95731b8ee63e ("ARM: 9059/1: cache-v7: get rid of mini-stack")
Signed-off-by: Vladimir Murzin <vladimir.murzin@arm.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>

diff --git a/arch/arm/kernel/head-nommu.S b/arch/arm/kernel/head-nommu.S
index fadfee9..950bef8 100644 (file)
--- a/arch/arm/kernel/head-nommu.S
+++ b/arch/arm/kernel/head-nommu.S
@@ -114,6 +114,7 @@ ENTRY(secondary_startup)
        add     r12, r12, r10
        ret     r12
 1:     bl      __after_proc_init
+       ldr     r7, __secondary_data            @ reload r7
        ldr     sp, [r7, #12]                   @ set up the stack pointer
        ldr     r0, [r7, #16]                   @ set up task pointer
        mov     fp, #0