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-rw-r--r--arch/x86/kernel/crash_core_64.c24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/x86/kernel/crash_core_64.c b/arch/x86/kernel/crash_core_64.c
new file mode 100644
index 000000000000..845a57eb4eb7
--- /dev/null
+++ b/arch/x86/kernel/crash_core_64.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+#include <linux/crash_core.h>
+
+#include <asm/pgtable.h>
+#include <asm/setup.h>
+
+void arch_crash_save_vmcoreinfo(void)
+{
+ u64 sme_mask = sme_me_mask;
+
+ VMCOREINFO_NUMBER(phys_base);
+ VMCOREINFO_SYMBOL(init_top_pgt);
+ vmcoreinfo_append_str("NUMBER(pgtable_l5_enabled)=%d\n",
+ pgtable_l5_enabled());
+
+#ifdef CONFIG_NUMA
+ VMCOREINFO_SYMBOL(node_data);
+ VMCOREINFO_LENGTH(node_data, MAX_NUMNODES);
+#endif
+ vmcoreinfo_append_str("KERNELOFFSET=%lx\n", kaslr_offset());
+ VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
+ VMCOREINFO_NUMBER(sme_mask);
+}