[RFC PATCH] powerpc: fix kexec failure on book3s/32

[Christophe Leroy]

Fixes: 63b2bc619565 ("powerpc/mm/32s: Use BATs for STRICT_KERNEL_RWX")
Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
---
 arch/powerpc/kernel/machine_kexec_32.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/powerpc/kernel/machine_kexec_32.c b/arch/powerpc/kernel/machine_kexec_32.c
index affe5dcce7f4..b6a4250b9ee0 100644
--- a/arch/powerpc/kernel/machine_kexec_32.c
+++ b/arch/powerpc/kernel/machine_kexec_32.c
@@ -54,6 +54,8 @@ void default_machine_kexec(struct kimage *image)
 	memcpy((void *)reboot_code_buffer, relocate_new_kernel,
 						relocate_new_kernel_size);
 
+	mtsrin(mfsrin(reboot_code_buffer) & ~SR_NX, reboot_code_buffer);
+
 	flush_icache_range(reboot_code_buffer,
 				reboot_code_buffer + KEXEC_CONTROL_PAGE_SIZE);
 	printk(KERN_INFO "Bye!\n");
-- 
2.13.3