From 072de836f53be56a70cecf70b43ae43b7ce17376 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 10:08:36 +0000
Subject: [PATCH] mk-rootfs.sh

---
 kernel/arch/s390/kernel/crash_dump.c |   34 +++++++++++++++++-----------------
 1 files changed, 17 insertions(+), 17 deletions(-)

diff --git a/kernel/arch/s390/kernel/crash_dump.c b/kernel/arch/s390/kernel/crash_dump.c
index 376f6b6..f292c3e 100644
--- a/kernel/arch/s390/kernel/crash_dump.c
+++ b/kernel/arch/s390/kernel/crash_dump.c
@@ -13,10 +13,9 @@
 #include <linux/mm.h>
 #include <linux/gfp.h>
 #include <linux/slab.h>
-#include <linux/bootmem.h>
+#include <linux/memblock.h>
 #include <linux/elf.h>
 #include <asm/asm-offsets.h>
-#include <linux/memblock.h>
 #include <asm/os_info.h>
 #include <asm/elf.h>
 #include <asm/ipl.h>
@@ -45,7 +44,7 @@
 	u64 fprs[16];
 	u32 fpc;
 	u32 prefix;
-	u64 todpreg;
+	u32 todpreg;
 	u64 timer;
 	u64 todcmp;
 	u64 vxrs_low[16];
@@ -61,7 +60,10 @@
 {
 	struct save_area *sa;
 
-	sa = (void *) memblock_alloc(sizeof(*sa), 8);
+	sa = (void *) memblock_phys_alloc(sizeof(*sa), 8);
+	if (!sa)
+		panic("Failed to allocate save area\n");
+
 	if (is_boot_cpu)
 		list_add(&sa->list, &dump_save_areas);
 	else
@@ -139,7 +141,7 @@
 	while (count) {
 		from = __pa(src);
 		if (!OLDMEM_BASE && from < sclp.hsa_size) {
-			/* Copy from zfcpdump HSA area */
+			/* Copy from zfcp/nvme dump HSA area */
 			len = min(count, sclp.hsa_size - from);
 			rc = memcpy_hsa_kernel(dst, from, len);
 			if (rc)
@@ -182,7 +184,7 @@
 	while (count) {
 		from = __pa(src);
 		if (!OLDMEM_BASE && from < sclp.hsa_size) {
-			/* Copy from zfcpdump HSA area */
+			/* Copy from zfcp/nvme dump HSA area */
 			len = min(count, sclp.hsa_size - from);
 			rc = memcpy_hsa_user(dst, from, len);
 			if (rc)
@@ -256,7 +258,7 @@
 }
 
 /*
- * Remap "oldmem" for zfcpdump
+ * Remap "oldmem" for zfcp/nvme dump
  *
  * We only map available memory above HSA size. Memory below HSA size
  * is read on demand using the copy_oldmem_page() function.
@@ -281,7 +283,7 @@
 }
 
 /*
- * Remap "oldmem" for kdump or zfcpdump
+ * Remap "oldmem" for kdump or zfcp/nvme dump
  */
 int remap_oldmem_pfn_range(struct vm_area_struct *vma, unsigned long from,
 			   unsigned long pfn, unsigned long size, pgprot_t prot)
@@ -430,7 +432,7 @@
 	Elf64_Nhdr note;
 	void *addr;
 
-	if (copy_oldmem_kernel(&addr, &S390_lowcore.vmcore_info, sizeof(addr)))
+	if (copy_oldmem_kernel(&addr, (void *)__LC_VMCORE_INFO, sizeof(addr)))
 		return NULL;
 	memset(nt_name, 0, sizeof(nt_name));
 	if (copy_oldmem_kernel(&note, addr, sizeof(note)))
@@ -547,8 +549,7 @@
 	int cnt = 0;
 	u64 idx;
 
-	for_each_mem_range(idx, &memblock.physmem, &oldmem_type, NUMA_NO_NODE,
-			   MEMBLOCK_NONE, NULL, NULL, NULL)
+	for_each_physmem_range(idx, &oldmem_type, NULL, NULL)
 		cnt++;
 	return cnt;
 }
@@ -561,8 +562,7 @@
 	phys_addr_t start, end;
 	u64 idx;
 
-	for_each_mem_range(idx, &memblock.physmem, &oldmem_type, NUMA_NO_NODE,
-			   MEMBLOCK_NONE, &start, &end, NULL) {
+	for_each_physmem_range(idx, &oldmem_type, &start, &end) {
 		phdr->p_filesz = end - start;
 		phdr->p_type = PT_LOAD;
 		phdr->p_offset = start;
@@ -632,11 +632,11 @@
 	u32 alloc_size;
 	u64 hdr_off;
 
-	/* If we are not in kdump or zfcpdump mode return */
-	if (!OLDMEM_BASE && ipl_info.type != IPL_TYPE_FCP_DUMP)
+	/* If we are not in kdump or zfcp/nvme dump mode return */
+	if (!OLDMEM_BASE && !is_ipl_type_dump())
 		return 0;
-	/* If we cannot get HSA size for zfcpdump return error */
-	if (ipl_info.type == IPL_TYPE_FCP_DUMP && !sclp.hsa_size)
+	/* If we cannot get HSA size for zfcp/nvme dump return error */
+	if (is_ipl_type_dump() && !sclp.hsa_size)
 		return -ENODEV;
 
 	/* For kdump, exclude previous crashkernel memory */

--
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