[PATCH 1/2] MIPS: KDUMP: skip walking indirection page for crashkernels
From: Prem Mallappa <hidden>
Date: 2013-08-30 10:05:34
Subsystem:
mips, the rest · Maintainers:
Thomas Bogendoerfer, Linus Torvalds
KDUMP: skip indirection page, as crashkernel has already copied to destination Signed-off-by: Prem Mallappa <redacted> --- 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