[PATCH 1/2] MIPS: KDUMP: skip walking indirection page for crashkernels

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KDUMP: skip indirection page, as crashkernel has already copied to destination

Signed-off-by: Prem Mallappa <pmallappa@xxxxxxxxxxxxxxxxxx>
---
 arch/mips/kernel/relocate_kernel.S | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/mips/kernel/relocate_kernel.S b/arch/mips/kernel/relocate_kernel.S
index 43d2d78..2778a41 100644
--- a/arch/mips/kernel/relocate_kernel.S
+++ b/arch/mips/kernel/relocate_kernel.S
@@ -26,6 +26,11 @@ process_entry:
 	PTR_L		s2, (s0)
 	PTR_ADD		s0, s0, SZREG
 
+	/* In case of kdump/crash kernel, indirection page is not populated
+	* as the kernel is directly copied to reserved location
+	*/
+	beq             s2, zero, done
+
 	/* destination page */
 	and		s3, s2, 0x1
 	beq		s3, zero, 1f
-- 
1.8.4



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