ANDROID: debug_kinfo driver, move to drivers/android

drivers/staging/android is going away, and systems seem to be relying on
this driver now, so move it into drivers/android/ to make everything
self-contained and prevent merge issues later on.

Bug: 170851792
Bug: 169101608
Cc: Jone Chou <jonechou@google.com>
Cc: Will McVicker <willmcvicker@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
Change-Id: Ib969a7544ea74881da61d7cba1f529a269921049

arch/arm64/configs/gki_defconfig

@@ -516,7 +516,6 @@ CONFIG_UIO=y
 CONFIG_VHOST_VSOCK=y
 CONFIG_STAGING=y
 CONFIG_ASHMEM=y
-CONFIG_DEBUG_KINFO=y
 CONFIG_COMMON_CLK_SCPI=y
 # CONFIG_CLK_SUNXI is not set
 # CONFIG_SUNXI_CCU is not set
@@ -543,6 +542,7 @@ CONFIG_ANDROID=y
 CONFIG_ANDROID_BINDER_IPC=y
 CONFIG_ANDROID_BINDERFS=y
 CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_ANDROID_DEBUG_KINFO=y
 CONFIG_LIBNVDIMM=y
 # CONFIG_ND_BLK is not set
 CONFIG_INTERCONNECT=y

arch/x86/configs/gki_defconfig

@@ -469,7 +469,6 @@ CONFIG_UIO=y
 CONFIG_VHOST_VSOCK=y
 CONFIG_STAGING=y
 CONFIG_ASHMEM=y
-CONFIG_DEBUG_KINFO=y
 CONFIG_REMOTEPROC=y
 CONFIG_REMOTEPROC_CDEV=y
 CONFIG_RPMSG_CHAR=y
@@ -482,6 +481,7 @@ CONFIG_ANDROID=y
 CONFIG_ANDROID_BINDER_IPC=y
 CONFIG_ANDROID_BINDERFS=y
 CONFIG_ANDROID_VENDOR_HOOKS=y
+CONFIG_ANDROID_DEBUG_KINFO=y
 CONFIG_LIBNVDIMM=y
 # CONFIG_ND_BLK is not set
 CONFIG_INTERCONNECT=y

drivers/android/Kconfig

@@ -63,6 +63,17 @@ config ANDROID_VENDOR_HOOKS
 	  Allow vendor modules to attach to tracepoint "hooks" defined via
 	  DECLARE_HOOK or DECLARE_RESTRICTED_HOOK.
 
+config ANDROID_DEBUG_KINFO
+	bool "Android Debug Kernel Information Support"
+	depends on KALLSYMS
+	help
+	  This supports kernel information backup for bootloader usage.
+	  Specifics:
+	   - The kallsyms symbols for unwind_backtrace
+	   - Page directory pointer
+	   - UTS_RELEASE
+	   - BUILD_INFO(ro.build.fingerprint)
+
 endif # if ANDROID
 
 endmenu

drivers/android/Makefile

@@ -5,3 +5,4 @@ obj-$(CONFIG_ANDROID_BINDERFS)		+= binderfs.o
 obj-$(CONFIG_ANDROID_BINDER_IPC)	+= binder.o binder_alloc.o
 obj-$(CONFIG_ANDROID_BINDER_IPC_SELFTEST) += binder_alloc_selftest.o
 obj-$(CONFIG_ANDROID_VENDOR_HOOKS) += vendor_hooks.o
+obj-$(CONFIG_ANDROID_DEBUG_KINFO)	+= debug_kinfo.o

drivers/staging/android/Kconfig

@@ -14,17 +14,6 @@ config ASHMEM
 	  It is, in theory, a good memory allocator for low-memory devices,
 	  because it can discard shared memory units when under memory pressure.
 
-config DEBUG_KINFO
-	bool "Debug Kernel Information Support"
-	depends on KALLSYMS
-	help
-	  This supports kernel information backup for bootloader usage.
-	  Specifics:
-	   - The kallsyms symbols for unwind_backtrace
-	   - Page directory pointer
-	   - UTS_RELEASE
-	   - BUILD_INFO(ro.build.fingerprint)
-
 endif # if ANDROID
 
 endmenu

drivers/staging/android/Makefile

@@ -2,4 +2,3 @@
 ccflags-y += -I$(src)			# needed for trace events
 
 obj-$(CONFIG_ASHMEM)			+= ashmem.o
-obj-$(CONFIG_DEBUG_KINFO)	+= debug_kinfo.o