[PATCH 04/13] Drop a bunch of metag references

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Now that arch/metag/ has been removed, drop a bunch of metag references
in various codes across the whole tree:
 - VM_GROWSUP and __VM_ARCH_PECIFIC_1.
 - MT_METAG_* ELF note types.
 - METAG Kconfig dependencies (FRAME_POINTER) and ranges
   (MAX_STACK_SIZE_MB).
 - metag cases in tools (checkstack.pl, recordmcount.c, perf).

Signed-off-by: James Hogan <jhogan@xxxxxxxxxx>
Cc: Steven Rostedt <rostedt@xxxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
Cc: Alexander Shishkin <alexander.shishkin@xxxxxxxxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: linux-mm@xxxxxxxxx
Cc: linux-metag@xxxxxxxxxxxxxxx
---
 include/linux/mm.h             |  2 --
 include/trace/events/mmflags.h |  2 +-
 include/uapi/linux/elf.h       |  3 ---
 lib/Kconfig.debug              |  2 +-
 mm/Kconfig                     |  7 +++----
 scripts/checkstack.pl          |  4 ----
 scripts/recordmcount.c         | 20 --------------------
 tools/perf/perf-sys.h          |  4 ----
 8 files changed, 5 insertions(+), 39 deletions(-)

diff --git a/include/linux/mm.h b/include/linux/mm.h
index ad06d42adb1a..ccac10682ce5 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -241,8 +241,6 @@ extern unsigned int kobjsize(const void *objp);
 # define VM_SAO		VM_ARCH_1	/* Strong Access Ordering (powerpc) */
 #elif defined(CONFIG_PARISC)
 # define VM_GROWSUP	VM_ARCH_1
-#elif defined(CONFIG_METAG)
-# define VM_GROWSUP	VM_ARCH_1
 #elif defined(CONFIG_IA64)
 # define VM_GROWSUP	VM_ARCH_1
 #elif !defined(CONFIG_MMU)
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index dbe1bb058c09..a81cffb76d89 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -115,7 +115,7 @@ IF_HAVE_PG_IDLE(PG_idle,		"idle"		)
 #define __VM_ARCH_SPECIFIC_1 {VM_PAT,     "pat"           }
 #elif defined(CONFIG_PPC)
 #define __VM_ARCH_SPECIFIC_1 {VM_SAO,     "sao"           }
-#elif defined(CONFIG_PARISC) || defined(CONFIG_METAG) || defined(CONFIG_IA64)
+#elif defined(CONFIG_PARISC) || defined(CONFIG_IA64)
 #define __VM_ARCH_SPECIFIC_1 {VM_GROWSUP,	"growsup"	}
 #elif !defined(CONFIG_MMU)
 #define __VM_ARCH_SPECIFIC_1 {VM_MAPPED_COPY,"mappedcopy"	}
diff --git a/include/uapi/linux/elf.h b/include/uapi/linux/elf.h
index 3bf73fb58045..e2535d6dcec7 100644
--- a/include/uapi/linux/elf.h
+++ b/include/uapi/linux/elf.h
@@ -420,9 +420,6 @@ typedef struct elf64_shdr {
 #define NT_ARM_HW_WATCH	0x403		/* ARM hardware watchpoint registers */
 #define NT_ARM_SYSTEM_CALL	0x404	/* ARM system call number */
 #define NT_ARM_SVE	0x405		/* ARM Scalable Vector Extension registers */
-#define NT_METAG_CBUF	0x500		/* Metag catch buffer registers */
-#define NT_METAG_RPIPE	0x501		/* Metag read pipeline state */
-#define NT_METAG_TLS	0x502		/* Metag TLS pointer */
 #define NT_ARC_V2	0x600		/* ARCv2 accumulator/extra registers */
 
 /* Note header in a PT_NOTE section */
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 6088408ef26c..d1c523e408e9 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -356,7 +356,7 @@ config FRAME_POINTER
 	bool "Compile the kernel with frame pointers"
 	depends on DEBUG_KERNEL && \
 		(CRIS || M68K || FRV || UML || \
-		 SUPERH || BLACKFIN || MN10300 || METAG) || \
+		 SUPERH || BLACKFIN || MN10300) || \
 		ARCH_WANT_FRAME_POINTERS
 	default y if (DEBUG_INFO && UML) || ARCH_WANT_FRAME_POINTERS
 	help
diff --git a/mm/Kconfig b/mm/Kconfig
index c782e8fb7235..abefa573bcd8 100644
--- a/mm/Kconfig
+++ b/mm/Kconfig
@@ -627,15 +627,14 @@ config GENERIC_EARLY_IOREMAP
 config MAX_STACK_SIZE_MB
 	int "Maximum user stack size for 32-bit processes (MB)"
 	default 80
-	range 8 256 if METAG
 	range 8 2048
 	depends on STACK_GROWSUP && (!64BIT || COMPAT)
 	help
 	  This is the maximum stack size in Megabytes in the VM layout of 32-bit
 	  user processes when the stack grows upwards (currently only on parisc
-	  and metag arch). The stack will be located at the highest memory
-	  address minus the given value, unless the RLIMIT_STACK hard limit is
-	  changed to a smaller value in which case that is used.
+	  arch). The stack will be located at the highest memory address minus
+	  the given value, unless the RLIMIT_STACK hard limit is changed to a
+	  smaller value in which case that is used.
 
 	  A sane initial value is 80 MB.
 
diff --git a/scripts/checkstack.pl b/scripts/checkstack.pl
index cb993801e4b2..eeb9ac8dbcfb 100755
--- a/scripts/checkstack.pl
+++ b/scripts/checkstack.pl
@@ -64,10 +64,6 @@ my (@stack, $re, $dre, $x, $xs, $funcre);
 		#    2b6c:       4e56 fb70       linkw %fp,#-1168
 		#  1df770:       defc ffe4       addaw #-28,%sp
 		$re = qr/.*(?:linkw %fp,|addaw )#-([0-9]{1,4})(?:,%sp)?$/o;
-	} elsif ($arch eq 'metag') {
-		#400026fc:       40 00 00 82     ADD       A0StP,A0StP,#0x8
-		$re = qr/.*ADD.*A0StP,A0StP,\#(0x$x{1,8})/o;
-		$funcre = qr/^$x* <[^\$](.*)>:$/;
 	} elsif ($arch eq 'mips64') {
 		#8800402c:       67bdfff0        daddiu  sp,sp,-16
 		$re = qr/.*daddiu.*sp,sp,-(([0-9]{2}|[3-9])[0-9]{2})/o;
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index 16e086dcc567..8c9691c3329e 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -33,20 +33,6 @@
 #include <string.h>
 #include <unistd.h>
 
-/*
- * glibc synced up and added the metag number but didn't add the relocations.
- * Work around this in a crude manner for now.
- */
-#ifndef EM_METAG
-#define EM_METAG      174
-#endif
-#ifndef R_METAG_ADDR32
-#define R_METAG_ADDR32                   2
-#endif
-#ifndef R_METAG_NONE
-#define R_METAG_NONE                     3
-#endif
-
 #ifndef EM_AARCH64
 #define EM_AARCH64	183
 #define R_AARCH64_NONE		0
@@ -538,12 +524,6 @@ do_file(char const *const fname)
 			gpfx = '_';
 			break;
 	case EM_IA_64:	 reltype = R_IA64_IMM64;   gpfx = '_'; break;
-	case EM_METAG:	 reltype = R_METAG_ADDR32;
-			 altmcount = "_mcount_wrapper";
-			 rel_type_nop = R_METAG_NONE;
-			 /* We happen to have the same requirement as MIPS */
-			 is_fake_mcount32 = MIPS32_is_fake_mcount;
-			 break;
 	case EM_MIPS:	 /* reltype: e_class    */ gpfx = '_'; break;
 	case EM_PPC:	 reltype = R_PPC_ADDR32;   gpfx = '_'; break;
 	case EM_PPC64:	 reltype = R_PPC64_ADDR64; gpfx = '_'; break;
diff --git a/tools/perf/perf-sys.h b/tools/perf/perf-sys.h
index 36673f98d66b..3eb7a39169f6 100644
--- a/tools/perf/perf-sys.h
+++ b/tools/perf/perf-sys.h
@@ -46,10 +46,6 @@
 #define CPUINFO_PROC	{"Processor"}
 #endif
 
-#ifdef __metag__
-#define CPUINFO_PROC	{"CPU"}
-#endif
-
 #ifdef __xtensa__
 #define CPUINFO_PROC	{"core ID"}
 #endif
-- 
2.13.6

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