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From 21eb397a5fc9227cd95d23e8c74a49cf6a293e57 Mon Sep 17 00:00:00 2001
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From: Hari Bathini <hbathini@linux.vnet.ibm.com>
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Subject: [PATCH] kexec-tools: powerpc: fix command line overflow error
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Since kernel commit a5980d064fe2 ("powerpc: Bump COMMAND_LINE_SIZE
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to 2048"), powerpc bumped command line size to 2048 but the size
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used here is still the default value of 512. Bump it to 2048 to
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fix command line overflow errors observed when command line length
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is above 512 bytes. Also, get rid of the multiple definitions of
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COMMAND_LINE_SIZE macro in ppc architecture.
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Signed-off-by: Hari Bathini <hbathini@linux.vnet.ibm.com>
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Signed-off-by: Simon Horman <horms@verge.net.au>
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---
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kexec/arch/ppc/crashdump-powerpc.h | 2 --
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kexec/arch/ppc/fs2dt.c | 1 -
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kexec/arch/ppc/kexec-ppc.h | 3 ++-
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kexec/arch/ppc/ops.h | 1 -
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kexec/arch/ppc64/crashdump-ppc64.h | 2 +-
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5 files changed, 3 insertions(+), 6 deletions(-)
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diff --git a/kexec/arch/ppc/crashdump-powerpc.h b/kexec/arch/ppc/crashdump-powerpc.h
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index 9b9b01e..97b5095 100644
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--- a/kexec/arch/ppc/crashdump-powerpc.h
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+++ b/kexec/arch/ppc/crashdump-powerpc.h
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@@ -20,8 +20,6 @@ extern struct arch_options_t arch_options;
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#define KERNELBASE PAGE_OFFSET
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#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
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-#define COMMAND_LINE_SIZE 512 /* from kernel */
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-
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#ifdef CONFIG_BOOKE
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/* We don't need backup region in Book E */
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#define BACKUP_SRC_START 0x0000
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diff --git a/kexec/arch/ppc/fs2dt.c b/kexec/arch/ppc/fs2dt.c
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index 6e77379..fed499b 100644
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--- a/kexec/arch/ppc/fs2dt.c
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+++ b/kexec/arch/ppc/fs2dt.c
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@@ -37,7 +37,6 @@
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#define TREEWORDS 65536 /* max 32 bit words for properties */
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#define MEMRESERVE 256 /* max number of reserved memory blks */
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#define MAX_MEMORY_RANGES 1024
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-#define COMMAND_LINE_SIZE 512 /* from kernel */
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static char pathname[MAXPATH];
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static char propnames[NAMESPACE] = { 0 };
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diff --git a/kexec/arch/ppc/kexec-ppc.h b/kexec/arch/ppc/kexec-ppc.h
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index 904cf48..6dc36c6 100644
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--- a/kexec/arch/ppc/kexec-ppc.h
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+++ b/kexec/arch/ppc/kexec-ppc.h
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@@ -6,6 +6,8 @@
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#define CORE_TYPE_ELF32 1
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#define CORE_TYPE_ELF64 2
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+#define COMMAND_LINE_SIZE 2048 /* from kernel */
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+
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extern unsigned char setup_simple_start[];
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extern uint32_t setup_simple_size;
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@@ -75,7 +77,6 @@ extern unsigned long dt_address_cells, dt_size_cells;
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extern int init_memory_region_info(void);
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extern int read_memory_region_limits(int fd, unsigned long long *start,
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unsigned long long *end);
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-#define COMMAND_LINE_SIZE 512 /* from kernel */
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/*fs2dt*/
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void reserve(unsigned long long where, unsigned long long length);
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diff --git a/kexec/arch/ppc/ops.h b/kexec/arch/ppc/ops.h
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index 7334a05..5e7a070 100644
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--- a/kexec/arch/ppc/ops.h
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+++ b/kexec/arch/ppc/ops.h
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@@ -12,7 +12,6 @@
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#define _PPC_BOOT_OPS_H_
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#include "types.h"
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-#define COMMAND_LINE_SIZE 512
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#define MAX_PATH_LEN 256
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#define MAX_PROP_LEN 256 /* What should this be? */
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diff --git a/kexec/arch/ppc64/crashdump-ppc64.h b/kexec/arch/ppc64/crashdump-ppc64.h
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index d654c6b..42ccc31 100644
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--- a/kexec/arch/ppc64/crashdump-ppc64.h
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+++ b/kexec/arch/ppc64/crashdump-ppc64.h
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@@ -16,7 +16,7 @@ void add_usable_mem_rgns(unsigned long long base, unsigned long long size);
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#define __pa(x) ((unsigned long)(x)-PAGE_OFFSET)
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#define MAXMEM (-KERNELBASE-VMALLOCBASE)
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-#define COMMAND_LINE_SIZE 512 /* from kernel */
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+#define COMMAND_LINE_SIZE 2048 /* from kernel */
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/* Backup Region, First 64K of System RAM. */
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#define BACKUP_SRC_START 0x0000
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#define BACKUP_SRC_END 0xffff
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