diff mbox series

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

Message ID a6c5749a4297daa9a89f8573b4893aa8f1b96c93.1558588355.git.christophe.leroy@c-s.fr (mailing list archive)
State Superseded
Headers show
Series [RFC] powerpc: fix kexec failure on book3s/32 | expand

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snowpatch_ozlabs/apply_patch success Successfully applied on branch next (8150a153c013aa2dd1ffae43370b89ac1347a7fb)
snowpatch_ozlabs/build-ppc64le success Build succeeded
snowpatch_ozlabs/build-ppc64be success Build succeeded
snowpatch_ozlabs/build-ppc64e success Build succeeded
snowpatch_ozlabs/build-pmac32 success Build succeeded
snowpatch_ozlabs/checkpatch success total: 0 errors, 0 warnings, 0 checks, 8 lines checked

Commit Message

Christophe Leroy May 23, 2019, 5:24 a.m. UTC 
Fixes: 63b2bc619565 ("powerpc/mm/32s: Use BATs for STRICT_KERNEL_RWX")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
---
 arch/powerpc/kernel/machine_kexec_32.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

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");