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!23 support more than one crash kernel regions

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From: @yang_zhuang_zhuang
Reviewed-by: @overweight
Signed-off-by: @overweight
This commit is contained in:
openeuler-ci-bot 2021-03-22 18:06:33 +08:00 committed by Gitee
commit 488c402d6a
3 changed files with 312 additions and 262 deletions
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528
arm64-support-more-than-one-crash-kernel-regions.patch
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@ -26,251 +26,283 @@ Signed-off-by: Chen Zhou <chenzhou10@huawei.com>
kexec/arch/arm64/kexec-arm64.c | 57 +++++++++++++++++++++++++++++---------
3 files changed, 72 insertions(+), 32 deletions(-)
diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c
index 4fd7aa8..158e778 100644
--- a/kexec/arch/arm64/crashdump-arm64.c
+++ b/kexec/arch/arm64/crashdump-arm64.c
@@ -27,11 +27,11 @@
static struct memory_ranges system_memory_rgns;
/* memory range reserved for crashkernel */
-struct memory_range crash_reserved_mem;
+struct memory_range crash_reserved_mem[CRASH_MAX_RESERVED_RANGES];
struct memory_ranges usablemem_rgns = {
.size = 0,
- .max_size = 1,
- .ranges = &crash_reserved_mem,
+ .max_size = CRASH_MAX_RESERVED_RANGES,
+ .ranges = crash_reserved_mem,
};
struct memory_range elfcorehdr_mem;
@@ -108,7 +108,7 @@ int is_crashkernel_mem_reserved(void)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- return crash_reserved_mem.start != crash_reserved_mem.end;
+ return usablemem_rgns.size;
}
/*
@@ -122,6 +122,8 @@ int is_crashkernel_mem_reserved(void)
*/
static int crash_get_memory_ranges(void)
{
+ int i;
+
/*
* First read all memory regions that can be considered as
* system memory including the crash area.
@@ -124,16 +126,19 @@ static int crash_get_memory_ranges(void)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- /* allow only a single region for crash dump kernel */
- if (usablemem_rgns.size != 1)
+ /* allow one or two region for crash dump kernel */
+ if (!usablemem_rgns.size)
return -EINVAL;
- dbgprint_mem_range("Reserved memory range", &crash_reserved_mem, 1);
+ dbgprint_mem_range("Reserved memory range",
+ usablemem_rgns.ranges, usablemem_rgns.size);
- if (mem_regions_alloc_and_exclude(&system_memory_rgns,
- &crash_reserved_mem)) {
- fprintf(stderr, "Cannot allocate memory for ranges\n");
- return -ENOMEM;
+ for (i = 0; i < usablemem_rgns.size; i++) {
+ if (mem_regions_exclude(&system_memory_rgns, &crash_reserved_mem[i])) {
+ fprintf(stderr,
+ "Error: Number of crash memory ranges excedeed the max limit\n");
+ return -ENOMEM;
+ }
}
/*
@@ -199,7 +204,8 @@ int load_crashdump_segments(struct kexec_info *info)
return EFAILED;
elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 0,
- crash_reserved_mem.start, crash_reserved_mem.end,
+ crash_reserved_mem[usablemem_rgns.size - 1].start,
+ crash_reserved_mem[usablemem_rgns.size - 1].end,
-1, 0);
elfcorehdr_mem.start = elfcorehdr;
@@ -217,21 +223,23 @@ int load_crashdump_segments(struct kexec_info *info)
* virt_to_phys() in add_segment().
* So let's fix up those values for later use so the memory base
* (arm64_mm.phys_offset) will be correctly replaced with
- * crash_reserved_mem.start.
+ * crash_reserved_mem[usablemem_rgns.size - 1].start.
*/
void fixup_elf_addrs(struct mem_ehdr *ehdr)
{
struct mem_phdr *phdr;
int i;
- ehdr->e_entry += - arm64_mem.phys_offset + crash_reserved_mem.start;
+ ehdr->e_entry += -arm64_mem.phys_offset +
+ crash_reserved_mem[usablemem_rgns.size - 1].start;
for (i = 0; i < ehdr->e_phnum; i++) {
phdr = &ehdr->e_phdr[i];
if (phdr->p_type != PT_LOAD)
continue;
phdr->p_paddr +=
- (-arm64_mem.phys_offset + crash_reserved_mem.start);
+ (-arm64_mem.phys_offset +
+ crash_reserved_mem[usablemem_rgns.size - 1].start);
}
}
@@ -240,11 +248,11 @@ int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- if (!crash_reserved_mem.end)
+ if (!usablemem_rgns.size)
return -1;
- *start = crash_reserved_mem.start;
- *end = crash_reserved_mem.end;
+ *start = crash_reserved_mem[usablemem_rgns.size - 1].start;
+ *end = crash_reserved_mem[usablemem_rgns.size - 1].end;
return 0;
}
diff --git a/kexec/arch/arm64/crashdump-arm64.h b/kexec/arch/arm64/crashdump-arm64.h
index 880b83a..c07233f 100644
--- a/kexec/arch/arm64/crashdump-arm64.h
+++ b/kexec/arch/arm64/crashdump-arm64.h
@@ -15,9 +15,10 @@
#include "kexec.h"
#define CRASH_MAX_MEMORY_RANGES 32
+#define CRASH_MAX_RESERVED_RANGES 8
extern struct memory_ranges usablemem_rgns;
-extern struct memory_range crash_reserved_mem;
+extern struct memory_range crash_reserved_mem[];
extern struct memory_range elfcorehdr_mem;
extern int load_crashdump_segments(struct kexec_info *info);
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 2992bce..2bf8b66 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -414,6 +414,34 @@ static int fdt_setprop_range(void *fdt, int nodeoffset,
return result;
}
+static int fdt_setprop_ranges(void *fdt, int nodeoffset,
+ const char *name, struct memory_ranges *ranges,
+ uint32_t address_cells, uint32_t size_cells)
+{
+ void *buf, *prop;
+ size_t buf_size;
+ int i, result;
+
+ buf_size = (address_cells + size_cells) * sizeof(uint32_t) *
+ ranges->size;
+ prop = buf = xmalloc(buf_size);
+
+ for (i = 0; i < ranges->size; i++) {
+ fill_property(prop, ranges->ranges[i].start, address_cells);
+ prop += address_cells * sizeof(uint32_t);
+
+ fill_property(prop, ranges->ranges[i].end -
+ ranges->ranges[i].start + 1, size_cells);
+ prop += size_cells * sizeof(uint32_t);
+ }
+
+ result = fdt_setprop(fdt, nodeoffset, name, buf, buf_size);
+
+ free(buf);
+
+ return result;
+}
+
/**
* setup_2nd_dtb - Setup the 2nd stage kernel's dtb.
*/
@@ -428,7 +456,7 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
int len, range_len;
int nodeoffset;
int new_size;
- int result, kaslr_seed;
+ int i, result, kaslr_seed;
result = fdt_check_header(dtb->buf);
@@ -459,18 +487,21 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
goto on_error;
}
- if (!cells_size_fitted(address_cells, size_cells,
- &crash_reserved_mem)) {
- fprintf(stderr, "kexec: usable memory range doesn't fit cells-size.\n");
- result = -EINVAL;
- goto on_error;
+ for (i = 0; i < usablemem_rgns.size; i++) {
+ if (!cells_size_fitted(address_cells, size_cells,
+ &crash_reserved_mem[i])) {
+ fprintf(stderr,
+ "kexec: usable memory range doesn't fit cells-size.\n");
+ result = -EINVAL;
+ goto on_error;
+ }
}
/* duplicate dt blob */
range_len = sizeof(uint32_t) * (address_cells + size_cells);
new_size = fdt_totalsize(dtb->buf)
+ fdt_prop_len(PROP_ELFCOREHDR, range_len)
- + fdt_prop_len(PROP_USABLE_MEM_RANGE, range_len);
+ + fdt_prop_len(PROP_USABLE_MEM_RANGE, range_len * usablemem_rgns.size);
new_buf = xmalloc(new_size);
result = fdt_open_into(dtb->buf, new_buf, new_size);
@@ -565,8 +596,8 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
/* add linux,usable-memory-range */
nodeoffset = fdt_path_offset(new_buf, "/chosen");
- result = fdt_setprop_range(new_buf, nodeoffset,
- PROP_USABLE_MEM_RANGE, &crash_reserved_mem,
+ result = fdt_setprop_ranges(new_buf, nodeoffset,
+ PROP_USABLE_MEM_RANGE, &usablemem_rgns,
address_cells, size_cells);
if (result) {
dbgprintf("%s: fdt_setprop failed: %s\n", __func__,
@@ -599,13 +630,13 @@ unsigned long arm64_locate_kernel_segment(struct kexec_info *info)
if (info->kexec_flags & KEXEC_ON_CRASH) {
unsigned long hole_end;
- hole = (crash_reserved_mem.start < mem_min ?
- mem_min : crash_reserved_mem.start);
+ hole = (crash_reserved_mem[usablemem_rgns.size - 1].start < mem_min ?
+ mem_min : crash_reserved_mem[usablemem_rgns.size - 1].start);
hole = _ALIGN_UP(hole, MiB(2));
hole_end = hole + arm64_mem.text_offset + arm64_mem.image_size;
if ((hole_end > mem_max) ||
- (hole_end > crash_reserved_mem.end)) {
+ (hole_end > crash_reserved_mem[usablemem_rgns.size - 1].end)) {
dbgprintf("%s: Crash kernel out of range\n", __func__);
hole = ULONG_MAX;
}
@@ -673,7 +704,7 @@ int arm64_load_other_segments(struct kexec_info *info,
hole_min = image_base + arm64_mem.image_size;
if (info->kexec_flags & KEXEC_ON_CRASH)
- hole_max = crash_reserved_mem.end;
+ hole_max = crash_reserved_mem[usablemem_rgns.size - 1].end;
else
hole_max = ULONG_MAX;
--
2.7.4
diff --git a/kexec/arch/arm64/crashdump-arm64.c b/kexec/arch/arm64/crashdump-arm64.c
index 38d1a0f..d8338eb 100644
--- a/kexec/arch/arm64/crashdump-arm64.c
+++ b/kexec/arch/arm64/crashdump-arm64.c
@@ -27,11 +27,11 @@
static struct memory_ranges system_memory_rgns;
/* memory range reserved for crashkernel */
-struct memory_range crash_reserved_mem;
+struct memory_range crash_reserved_mem[CRASH_MAX_RESERVED_RANGES];
struct memory_ranges usablemem_rgns = {
.size = 0,
- .max_size = 1,
- .ranges = &crash_reserved_mem,
+ .max_size = CRASH_MAX_RESERVED_RANGES,
+ .ranges = crash_reserved_mem,
};
struct memory_range elfcorehdr_mem;
@@ -84,7 +84,10 @@ static int iomem_range_callback(void *UNUSED(data), int UNUSED(nr),
char *str, unsigned long long base,
unsigned long long length)
{
- if (strncmp(str, CRASH_KERNEL, strlen(CRASH_KERNEL)) == 0)
+ if (strncmp(str, CRASH_KERNEL_LOW, strlen(CRASH_KERNEL_LOW)) == 0)
+ return mem_regions_alloc_and_add(&usablemem_rgns,
+ base, length, RANGE_RAM);
+ else if (strncmp(str, CRASH_KERNEL, strlen(CRASH_KERNEL)) == 0)
return mem_regions_alloc_and_add(&usablemem_rgns,
base, length, RANGE_RAM);
else if (strncmp(str, SYSTEM_RAM, strlen(SYSTEM_RAM)) == 0)
@@ -103,7 +106,7 @@ int is_crashkernel_mem_reserved(void)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- return crash_reserved_mem.start != crash_reserved_mem.end;
+ return usablemem_rgns.size;
}
/*
@@ -117,6 +120,8 @@ int is_crashkernel_mem_reserved(void)
*/
static int crash_get_memory_ranges(void)
{
+ int i;
+
/*
* First read all memory regions that can be considered as
* system memory including the crash area.
@@ -124,16 +129,19 @@ static int crash_get_memory_ranges(void)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- /* allow only a single region for crash dump kernel */
- if (usablemem_rgns.size != 1)
+ /* allow one or two region for crash dump kernel */
+ if (!usablemem_rgns.size)
return -EINVAL;
- dbgprint_mem_range("Reserved memory range", &crash_reserved_mem, 1);
+ dbgprint_mem_range("Reserved memory range",
+ usablemem_rgns.ranges, usablemem_rgns.size);
- if (mem_regions_alloc_and_exclude(&system_memory_rgns,
- &crash_reserved_mem)) {
- fprintf(stderr, "Cannot allocate memory for ranges\n");
- return -ENOMEM;
+ for (i = 0; i < usablemem_rgns.size; i++) {
+ if (mem_regions_alloc_and_exclude(&system_memory_rgns,
+ &crash_reserved_mem[i])) {
+ fprintf(stderr, "Cannot allocate memory for ranges\n");
+ return -ENOMEM;
+ }
}
/*
@@ -194,7 +202,8 @@ int load_crashdump_segments(struct kexec_info *info)
return EFAILED;
elfcorehdr = add_buffer_phys_virt(info, buf, bufsz, bufsz, 0,
- crash_reserved_mem.start, crash_reserved_mem.end,
+ crash_reserved_mem[usablemem_rgns.size - 1].start,
+ crash_reserved_mem[usablemem_rgns.size - 1].end,
-1, 0);
elfcorehdr_mem.start = elfcorehdr;
@@ -212,21 +221,23 @@ int load_crashdump_segments(struct kexec_info *info)
* virt_to_phys() in add_segment().
* So let's fix up those values for later use so the memory base
* (arm64_mm.phys_offset) will be correctly replaced with
- * crash_reserved_mem.start.
+ * crash_reserved_mem[usablemem_rgns.size - 1].start.
*/
void fixup_elf_addrs(struct mem_ehdr *ehdr)
{
struct mem_phdr *phdr;
int i;
- ehdr->e_entry += - arm64_mem.phys_offset + crash_reserved_mem.start;
+ ehdr->e_entry += -arm64_mem.phys_offset +
+ crash_reserved_mem[usablemem_rgns.size - 1].start;
for (i = 0; i < ehdr->e_phnum; i++) {
phdr = &ehdr->e_phdr[i];
if (phdr->p_type != PT_LOAD)
continue;
phdr->p_paddr +=
- (-arm64_mem.phys_offset + crash_reserved_mem.start);
+ (-arm64_mem.phys_offset +
+ crash_reserved_mem[usablemem_rgns.size - 1].start);
}
}
@@ -235,11 +246,11 @@ int get_crash_kernel_load_range(uint64_t *start, uint64_t *end)
if (!usablemem_rgns.size)
kexec_iomem_for_each_line(NULL, iomem_range_callback, NULL);
- if (!crash_reserved_mem.end)
+ if (!usablemem_rgns.size)
return -1;
- *start = crash_reserved_mem.start;
- *end = crash_reserved_mem.end;
+ *start = crash_reserved_mem[usablemem_rgns.size - 1].start;
+ *end = crash_reserved_mem[usablemem_rgns.size - 1].end;
return 0;
}
diff --git a/kexec/arch/arm64/crashdump-arm64.h b/kexec/arch/arm64/crashdump-arm64.h
index 880b83a..12f4308 100644
--- a/kexec/arch/arm64/crashdump-arm64.h
+++ b/kexec/arch/arm64/crashdump-arm64.h
@@ -16,8 +16,11 @@
#define CRASH_MAX_MEMORY_RANGES 32
+/* crash dump kernel support at most two regions, low_region and high region. */
+#define CRASH_MAX_RESERVED_RANGES 2
+
extern struct memory_ranges usablemem_rgns;
-extern struct memory_range crash_reserved_mem;
+extern struct memory_range crash_reserved_mem[];
extern struct memory_range elfcorehdr_mem;
extern int load_crashdump_segments(struct kexec_info *info);
diff --git a/kexec/arch/arm64/iomem.h b/kexec/arch/arm64/iomem.h
index d4864bb..45d7953 100644
--- a/kexec/arch/arm64/iomem.h
+++ b/kexec/arch/arm64/iomem.h
@@ -4,6 +4,7 @@
#define SYSTEM_RAM "System RAM\n"
#define KERNEL_CODE "Kernel code\n"
#define KERNEL_DATA "Kernel data\n"
+#define CRASH_KERNEL_LOW "Crash kernel (low)\n"
#define CRASH_KERNEL "Crash kernel\n"
#define IOMEM_RESERVED "reserved\n"
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index 45ebc54..6346f83 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -418,6 +418,42 @@ static int fdt_setprop_range(void *fdt, int nodeoffset,
return result;
}
+/*
+ * fdt_setprop_ranges - Used for linux,usable-memory-range
+ */
+static int fdt_setprop_ranges(void *fdt, int nodeoffset,
+ const char *name, struct memory_ranges *ranges,
+ uint32_t address_cells, uint32_t size_cells)
+{
+ void *buf, *prop;
+ size_t buf_size;
+ int i, result;
+
+ buf_size = (address_cells + size_cells) * sizeof(uint32_t) *
+ ranges->size;
+ prop = buf = xmalloc(buf_size);
+
+ /*
+ * crash dump kernel support at most two regions, low_region and high region.
+ * To make compatibility with existing user-space and older kdump, the low
+ * region is always the last range of linux,usable-memory-range if exist.
+ */
+ for (i = ranges->size - 1; i >= 0; i--) {
+ fill_property(prop, ranges->ranges[i].start, address_cells);
+ prop += address_cells * sizeof(uint32_t);
+
+ fill_property(prop, ranges->ranges[i].end -
+ ranges->ranges[i].start + 1, size_cells);
+ prop += size_cells * sizeof(uint32_t);
+ }
+
+ result = fdt_setprop(fdt, nodeoffset, name, buf, buf_size);
+
+ free(buf);
+
+ return result;
+}
+
/**
* setup_2nd_dtb - Setup the 2nd stage kernel's dtb.
*/
@@ -431,7 +467,7 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
int len, range_len;
int nodeoffset;
int new_size;
- int result, kaslr_seed;
+ int i, result, kaslr_seed;
result = fdt_check_header(dtb->buf);
@@ -462,18 +498,21 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
goto on_error;
}
- if (!cells_size_fitted(address_cells, size_cells,
- &crash_reserved_mem)) {
- fprintf(stderr, "kexec: usable memory range doesn't fit cells-size.\n");
- result = -EINVAL;
- goto on_error;
+ for (i = 0; i < usablemem_rgns.size; i++) {
+ if (!cells_size_fitted(address_cells, size_cells,
+ &crash_reserved_mem[i])) {
+ fprintf(stderr,
+ "kexec: usable memory range doesn't fit cells-size.\n");
+ result = -EINVAL;
+ goto on_error;
+ }
}
/* duplicate dt blob */
range_len = sizeof(uint32_t) * (address_cells + size_cells);
new_size = fdt_totalsize(dtb->buf)
+ fdt_prop_len(PROP_ELFCOREHDR, range_len)
- + fdt_prop_len(PROP_USABLE_MEM_RANGE, range_len);
+ + fdt_prop_len(PROP_USABLE_MEM_RANGE, range_len * usablemem_rgns.size);
new_buf = xmalloc(new_size);
result = fdt_open_into(dtb->buf, new_buf, new_size);
@@ -569,8 +608,8 @@ static int setup_2nd_dtb(struct dtb *dtb, char *command_line, int on_crash)
/* add linux,usable-memory-range */
nodeoffset = fdt_path_offset(new_buf, "/chosen");
- result = fdt_setprop_range(new_buf, nodeoffset,
- PROP_USABLE_MEM_RANGE, &crash_reserved_mem,
+ result = fdt_setprop_ranges(new_buf, nodeoffset,
+ PROP_USABLE_MEM_RANGE, &usablemem_rgns,
address_cells, size_cells);
if (result) {
dbgprintf("%s: fdt_setprop failed: %s\n", __func__,
@@ -603,13 +642,13 @@ unsigned long arm64_locate_kernel_segment(struct kexec_info *info)
if (info->kexec_flags & KEXEC_ON_CRASH) {
unsigned long hole_end;
- hole = (crash_reserved_mem.start < mem_min ?
- mem_min : crash_reserved_mem.start);
+ hole = (crash_reserved_mem[usablemem_rgns.size - 1].start < mem_min ?
+ mem_min : crash_reserved_mem[usablemem_rgns.size - 1].start);
hole = _ALIGN_UP(hole, MiB(2));
hole_end = hole + arm64_mem.text_offset + arm64_mem.image_size;
if ((hole_end > mem_max) ||
- (hole_end > crash_reserved_mem.end)) {
+ (hole_end > crash_reserved_mem[usablemem_rgns.size - 1].end)) {
dbgprintf("%s: Crash kernel out of range\n", __func__);
hole = ULONG_MAX;
}
@@ -677,7 +716,7 @@ int arm64_load_other_segments(struct kexec_info *info,
hole_min = image_base + arm64_mem.image_size;
if (info->kexec_flags & KEXEC_ON_CRASH)
- hole_max = crash_reserved_mem.end;
+ hole_max = crash_reserved_mem[usablemem_rgns.size - 1].end;
else
hole_max = ULONG_MAX;
--
2.20.1

36
kexec-Quick-kexec-implementation-for-arm64.patch
View File

@ -1,4 +1,4 @@
From 7d404ff2549cb9d6d94ec38cee8712cf2feeb39e Mon Sep 17 00:00:00 2001
From 5a302cd06079a285cb24a74c0f60b26866ae4e4d Mon Sep 17 00:00:00 2001
From: snoweay <snoweay@163.com>
Date: Wed, 12 Aug 2020 07:59:06 -0400
Subject: [PATCH] kexec: Quick kexec implementation for arm64
@ -8,26 +8,26 @@ Implement quick kexec on arch/arm64.
Locate kernel segments from reserved memory of range "Quick kexec".
---
kexec/arch/arm64/iomem.h | 1 +
kexec/arch/arm64/kexec-arm64.c | 39 +++++++++++++++++++---------
kexec/arch/arm64/kexec-image-arm64.c | 11 ++++++++
3 files changed, 39 insertions(+), 12 deletions(-)
kexec/arch/arm64/kexec-arm64.c | 42 +++++++++++++++++++++++++-----------
kexec/arch/arm64/kexec-image-arm64.c | 11 ++++++++++
3 files changed, 41 insertions(+), 13 deletions(-)
diff --git a/kexec/arch/arm64/iomem.h b/kexec/arch/arm64/iomem.h
index d4864bb..108871e 100644
index 45d7953..f283f50 100644
--- a/kexec/arch/arm64/iomem.h
+++ b/kexec/arch/arm64/iomem.h
@@ -6,5 +6,6 @@
#define KERNEL_DATA "Kernel data\n"
@@ -7,5 +7,6 @@
#define CRASH_KERNEL_LOW "Crash kernel (low)\n"
#define CRASH_KERNEL "Crash kernel\n"
#define IOMEM_RESERVED "reserved\n"
+#define QUICK_KEXEC "Quick kexec\n"
+#define QUICK_KEXEC "Quick kexec\n"
#endif
diff --git a/kexec/arch/arm64/kexec-arm64.c b/kexec/arch/arm64/kexec-arm64.c
index a3803e3..d12e426 100644
index 219ec49..8a3bb69 100644
--- a/kexec/arch/arm64/kexec-arm64.c
+++ b/kexec/arch/arm64/kexec-arm64.c
@@ -96,6 +96,9 @@ uint64_t get_vp_offset(void)
@@ -99,6 +99,9 @@ uint64_t get_vp_offset(void)
return arm64_mem.vp_offset;
}
@ -37,7 +37,7 @@ index a3803e3..d12e426 100644
/**
* arm64_process_image_header - Process the arm64 image header.
*
@@ -624,23 +627,33 @@ on_error:
@@ -627,23 +630,33 @@ on_error:
return result;
}
@ -83,7 +83,7 @@ index a3803e3..d12e426 100644
} else {
hole = locate_hole(info,
arm64_mem.text_offset + arm64_mem.image_size,
@@ -706,6 +719,8 @@ int arm64_load_other_segments(struct kexec_info *info,
@@ -709,6 +722,8 @@ int arm64_load_other_segments(struct kexec_info *info,
hole_min = image_base + arm64_mem.image_size;
if (info->kexec_flags & KEXEC_ON_CRASH)
hole_max = crash_reserved_mem[usablemem_rgns.size - 1].end;
@ -92,6 +92,16 @@ index a3803e3..d12e426 100644
else
hole_max = ULONG_MAX;
@@ -944,7 +959,8 @@ static bool to_be_excluded(char *str)
if (!strncmp(str, SYSTEM_RAM, strlen(SYSTEM_RAM)) ||
!strncmp(str, KERNEL_CODE, strlen(KERNEL_CODE)) ||
!strncmp(str, KERNEL_DATA, strlen(KERNEL_DATA)) ||
- !strncmp(str, CRASH_KERNEL, strlen(CRASH_KERNEL)))
+ !strncmp(str, CRASH_KERNEL, strlen(CRASH_KERNEL)) ||
+ !strncmp(str, QUICK_KEXEC, strlen(QUICK_KEXEC)))
return false;
else
return true;
diff --git a/kexec/arch/arm64/kexec-image-arm64.c b/kexec/arch/arm64/kexec-image-arm64.c
index aa8f2e2..f22db62 100644
--- a/kexec/arch/arm64/kexec-image-arm64.c
@ -129,5 +139,5 @@ index aa8f2e2..f22db62 100644
if (arm64_process_image_header(header))
--
2.19.1
2.9.5

10
kexec-tools.spec
View File

@ -4,7 +4,7 @@
Name: kexec-tools
Version: 2.0.20
Release: 4
Release: 5
License: GPLv2
Summary: The kexec/kdump userspace component
URL: https://www.kernel.org/
@ -339,6 +339,14 @@ done
%endif
%changelog
* Mon Mar 22 2021 yangzhuangzhuang <yangzhuangzhuang1@huawei.com> - 2.0.20-5
- Type:bugfix
- ID:NA
- SUG:NA
- DESC:support more than one crash kernel regions.
Fix bugs of unuseable quick kexec on arm64, becaues of arm64-kexec-allocate-memory-space-avoiding-reserved-regions
excluding QUICK_KEXEC memory region.
* Mon Sep 14 2020 zhangruifang2020 <zhangruifang1@huawei.com> - 2.0.20-4
- Type:enhancement
- ID:NA