---

yaml
---
r: 17552
b: refs/heads/master
c: 05970d4
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 720e1a9f1c3bfa9f72cded56962e7f092fefaaed
+refs/heads/master: 05970d476f2c8aa0f47e4e82473b0551b1e4e6d4

trunk/arch/i386/Kconfig

@@ -645,17 +645,6 @@ config SECCOMP
 
 source kernel/Kconfig.hz
 
-config PHYSICAL_START
-	hex "Physical address where the kernel is loaded" if EMBEDDED
-	default "0x100000"
-	help
-	  This gives the physical address where the kernel is loaded.
-	  Primarily used in the case of kexec on panic where the
-	  fail safe kernel needs to run at a different address than
-	  the panic-ed kernel.
-
-	  Don't change this unless you know what you are doing.
-
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
@@ -675,11 +664,31 @@ config KEXEC
 
 config CRASH_DUMP
 	bool "kernel crash dumps (EXPERIMENTAL)"
-	depends on EMBEDDED
 	depends on EXPERIMENTAL
 	depends on HIGHMEM
 	help
 	  Generate crash dump after being started by kexec.
+
+config PHYSICAL_START
+	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
+
+	default "0x1000000" if CRASH_DUMP
+	default "0x100000"
+	help
+	  This gives the physical address where the kernel is loaded. Normally
+	  for regular kernels this value is 0x100000 (1MB). But in the case
+	  of kexec on panic the fail safe kernel needs to run at a different
+	  address than the panic-ed kernel. This option is used to set the load
+	  address for kernels used to capture crash dump on being kexec'ed
+	  after panic. The default value for crash dump kernels is
+	  0x1000000 (16MB). This can also be set based on the "X" value as
+	  specified in the "crashkernel=YM@XM" command line boot parameter
+	  passed to the panic-ed kernel. Typically this parameter is set as
+	  crashkernel=64M@16M. Please take a look at
+	  Documentation/kdump/kdump.txt for more details about crash dumps.
+
+	  Don't change this unless you know what you are doing.
+
 endmenu
 
 

trunk/arch/x86_64/Kconfig

@@ -399,17 +399,6 @@ config X86_MCE_AMD
 	   Additional support for AMD specific MCE features such as
 	   the DRAM Error Threshold.
 
-config PHYSICAL_START
-	hex "Physical address where the kernel is loaded" if EMBEDDED
-	default "0x100000"
-	help
-	  This gives the physical address where the kernel is loaded.
-	  Primarily used in the case of kexec on panic where the
-	  fail safe kernel needs to run at a different address than
-	  the panic-ed kernel.
-
-	  Don't change this unless you know what you are doing.
-
 config KEXEC
 	bool "kexec system call (EXPERIMENTAL)"
 	depends on EXPERIMENTAL
@@ -429,11 +418,29 @@ config KEXEC
 
 config CRASH_DUMP
 	bool "kernel crash dumps (EXPERIMENTAL)"
-	depends on EMBEDDED
 	depends on EXPERIMENTAL
 	help
 		Generate crash dump after being started by kexec.
 
+config PHYSICAL_START
+	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
+	default "0x1000000" if CRASH_DUMP
+	default "0x100000"
+	help
+	  This gives the physical address where the kernel is loaded. Normally
+	  for regular kernels this value is 0x100000 (1MB). But in the case
+	  of kexec on panic the fail safe kernel needs to run at a different
+	  address than the panic-ed kernel. This option is used to set the load
+	  address for kernels used to capture crash dump on being kexec'ed
+	  after panic. The default value for crash dump kernels is
+	  0x1000000 (16MB). This can also be set based on the "X" value as
+	  specified in the "crashkernel=YM@XM" command line boot parameter
+	  passed to the panic-ed kernel. Typically this parameter is set as
+	  crashkernel=64M@16M. Please take a look at
+	  Documentation/kdump/kdump.txt for more details about crash dumps.
+
+	  Don't change this unless you know what you are doing.
+
 config SECCOMP
 	bool "Enable seccomp to safely compute untrusted bytecode"
 	depends on PROC_FS

trunk/fs/Kconfig

@@ -798,7 +798,7 @@ config PROC_KCORE
 
 config PROC_VMCORE
         bool "/proc/vmcore support (EXPERIMENTAL)"
-        depends on PROC_FS && EMBEDDED && EXPERIMENTAL && CRASH_DUMP
+        depends on PROC_FS && EXPERIMENTAL && CRASH_DUMP
         help
         Exports the dump image of crashed kernel in ELF format.