linux: bump all kernels

mk/kernel-ver.mk

@@ -19,53 +19,53 @@ endif
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_4_4_6),y)
-KERNEL_FILE_VER:=	4.4.6
+ifeq ($(ADK_TARGET_KERNEL_VERSION_4_4_8),y)
+KERNEL_FILE_VER:=	4.4.8
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		a3bccec4c28939355cd415672414583ecaf5531a87ddb44c9dc036aeacec577d
+KERNEL_HASH:=		d2a7a7536a5012cc2e6ab1ddf3d31320b4420cc4de3a4c2cda1daed8663bee09
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_4_1_20),y)
-KERNEL_FILE_VER:=	4.1.20
+ifeq ($(ADK_TARGET_KERNEL_VERSION_4_1_22),y)
+KERNEL_FILE_VER:=	4.1.22
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		faa56b8550fee0647f92bff3d4ceee2dfd983b51600c634ffd3294215f43f8b6
+KERNEL_HASH:=		8dcff55643f777277973979358d9ec41b621f7a15d415a0d029954ce21b67f2a
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_18_25),y)
-KERNEL_FILE_VER:=	3.18.25
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_18_31),y)
+KERNEL_FILE_VER:=	3.18.31
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		c649874e2856101df7cefe5fdad313ebb2282a939fc1e95cf02222327745ff92
+KERNEL_HASH:=		0d04f979da76afb37af164b57aef8a2499b8987979d6f01adaa9b11821bf60b7
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_14_58),y)
-KERNEL_FILE_VER:=	3.14.58
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_14_67),y)
+KERNEL_FILE_VER:=	3.14.67
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		f4d016cb807b294988c6515c245939b2a7987ba606ad0662958bd8cb8600814b
+KERNEL_HASH:=		f0fef05f0c89382e5152a3b53cbb3350613c0a16dda2a2c2fef88985a7b7dbae
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_12_51),y)
-KERNEL_FILE_VER:=	3.12.51
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_12_59),y)
+KERNEL_FILE_VER:=	3.12.59
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		7199a5beaa9b3a6eb3aa30b62d5e66aa333bb4cf5efe715a5d1067f4f68f1820
+KERNEL_HASH:=		6c626d95186c082a3a3e7e777cd374c0e03a851d8b8b2b2a0ee29786a1efce93
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_10_94),y)
-KERNEL_FILE_VER:=	3.10.94
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_10_101),y)
+KERNEL_FILE_VER:=	3.10.101
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		61a700b21ad951c8bc2ed9d3ff3c3c5c6e4124a1f2808f786745d568290cba7f
+KERNEL_HASH:=		36358cdcc2f322d4b5fc0e7fc44376b7dbc895c94703db8787722145b7e912bd
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_4_110),y)
-KERNEL_FILE_VER:=	3.4.110
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_4_111),y)
+KERNEL_FILE_VER:=	3.4.111
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		3bc608bc722755128f14ab4a31b973789e23753d6ac8db417498d0f9911ce7d0
+KERNEL_HASH:=		e02c7b5cf97b3bfa40febf2e957c1652dcecd557dc0d5cd5936815355c9e6efb
 endif
-ifeq ($(ADK_TARGET_KERNEL_VERSION_3_2_77),y)
-KERNEL_FILE_VER:=	3.2.77
+ifeq ($(ADK_TARGET_KERNEL_VERSION_3_2_79),y)
+KERNEL_FILE_VER:=	3.2.79
 KERNEL_RELEASE:=	1
 KERNEL_VERSION:=	$(KERNEL_FILE_VER)-$(KERNEL_RELEASE)
-KERNEL_HASH:=		ce34dac6df719b3bcd99d1380bddf354a0319ae27326a4e10e556a0c5a3df18f
+KERNEL_HASH:=		e3f85b5cfdf2f1590a2fd9523a6fcb09312a34309fdad4fb2a0ff60a3170547c
 endif
 ifeq ($(ADK_TARGET_KERNEL_VERSION_2_6_32_70),y)
 KERNEL_FILE_VER:=	2.6.32.70

mk/mirrors.mk

@@ -11,10 +11,8 @@ MASTER_SITE_MIRBSD?=	\
 	http://pub.allbsd.org/MirOS/distfiles/ \
 
 MASTER_SITE_KERNEL?=	\
-	ftp://www.kernel.org/pub/linux/ \
 	http://www.kernel.org/pub/linux/ \
 	ftp://www.kernel.org/pub/linux/ \
-	http://www.kernel.org/pub/linux/ \
 
 MASTER_SITE_GNU?=	\
 	http://ftp.gnu.org/gnu/ \

target/config/Config.in.kernelversion

@@ -5,19 +5,19 @@ choice
 prompt "Kernel version" if !ADK_TARGET_CHOOSE_ARCH
 depends on ADK_TARGET_OS_LINUX
 default ADK_TARGET_KERNEL_VERSION_GIT if ADK_TARGET_WITHOUT_MMU && ADK_TARGET_ARCH_XTENSA
-default ADK_TARGET_KERNEL_VERSION_4_1_20 if ADK_TARGET_BOARD_BCM28XX
-default ADK_TARGET_KERNEL_VERSION_4_4_6
+default ADK_TARGET_KERNEL_VERSION_4_1_22 if ADK_TARGET_BOARD_BCM28XX
+default ADK_TARGET_KERNEL_VERSION_4_4_8
 
 config ADK_TARGET_KERNEL_VERSION_GIT
 	bool "linux-git"
 
-config ADK_TARGET_KERNEL_VERSION_4_4_6
-	bool "4.4.6"
+config ADK_TARGET_KERNEL_VERSION_4_4_8
+	bool "4.4.8"
 	depends on !ADK_TARGET_BOARD_BCM28XX
 	select ADK_TARGET_KERNEL_VERSION_4_4
 
-config ADK_TARGET_KERNEL_VERSION_4_1_20
-	bool "4.1.20"
+config ADK_TARGET_KERNEL_VERSION_4_1_22
+	bool "4.1.22"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -26,8 +26,8 @@ config ADK_TARGET_KERNEL_VERSION_4_1_20
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	select ADK_TARGET_KERNEL_VERSION_4_1
 
-config ADK_TARGET_KERNEL_VERSION_3_18_25
-	bool "3.18.25"
+config ADK_TARGET_KERNEL_VERSION_3_18_31
+	bool "3.18.31"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -40,8 +40,8 @@ config ADK_TARGET_KERNEL_VERSION_3_18_25
 	depends on !ADK_TARGET_SYSTEM_BEAGLEBONE_BLACK
 	select ADK_TARGET_KERNEL_VERSION_3_18
 
-config ADK_TARGET_KERNEL_VERSION_3_14_58
-	bool "3.14.58"
+config ADK_TARGET_KERNEL_VERSION_3_14_67
+	bool "3.14.67"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -52,8 +52,8 @@ config ADK_TARGET_KERNEL_VERSION_3_14_58
 	depends on !ADK_TARGET_SYSTEM_KINETIS_K70
 	select ADK_TARGET_KERNEL_VERSION_3_14
 
-config ADK_TARGET_KERNEL_VERSION_3_12_51
-	bool "3.12.51"
+config ADK_TARGET_KERNEL_VERSION_3_12_59
+	bool "3.12.59"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -66,8 +66,8 @@ config ADK_TARGET_KERNEL_VERSION_3_12_51
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	select ADK_TARGET_KERNEL_VERSION_3_12
 
-config ADK_TARGET_KERNEL_VERSION_3_10_94
-	bool "3.10.94"
+config ADK_TARGET_KERNEL_VERSION_3_10_101
+	bool "3.10.101"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -81,8 +81,8 @@ config ADK_TARGET_KERNEL_VERSION_3_10_94
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	select ADK_TARGET_KERNEL_VERSION_3_10
 
-config ADK_TARGET_KERNEL_VERSION_3_4_110
-	bool "3.4.110"
+config ADK_TARGET_KERNEL_VERSION_3_4_111
+	bool "3.4.111"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300
@@ -95,8 +95,8 @@ config ADK_TARGET_KERNEL_VERSION_3_4_110
 	depends on !ADK_TARGET_SYSTEM_SOLIDRUN_IMX6
 	select ADK_TARGET_KERNEL_VERSION_3_4
 
-config ADK_TARGET_KERNEL_VERSION_3_2_77
-	bool "3.2.77"
+config ADK_TARGET_KERNEL_VERSION_3_2_79
+	bool "3.2.79"
 	depends on !ADK_TARGET_ARCH_ARC
 	depends on !ADK_TARGET_ARCH_BFIN
 	depends on !ADK_TARGET_ARCH_H8300

target/linux/patches/3.14.67/mips-fpu.patch

@@ -0,0 +1,369 @@
+diff -Nur linux-3.14.67.orig/arch/mips/include/asm/asmmacro-32.h linux-3.14.67/arch/mips/include/asm/asmmacro-32.h
+--- linux-3.14.67.orig/arch/mips/include/asm/asmmacro-32.h	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/include/asm/asmmacro-32.h	2016-04-27 16:18:41.729238756 +0200
+@@ -13,6 +13,8 @@
+ #include <asm/mipsregs.h>
+ 
+ 	.macro	fpu_save_single thread tmp=t0
++	.set push
++	SET_HARDFLOAT
+ 	cfc1	\tmp,  fcr31
+ 	swc1	$f0,  THREAD_FPR0(\thread)
+ 	swc1	$f1,  THREAD_FPR1(\thread)
+@@ -47,9 +49,12 @@
+ 	swc1	$f30, THREAD_FPR30(\thread)
+ 	swc1	$f31, THREAD_FPR31(\thread)
+ 	sw	\tmp, THREAD_FCR31(\thread)
++	.set pop
+ 	.endm
+ 
+ 	.macro	fpu_restore_single thread tmp=t0
++	.set push
++	SET_HARDFLOAT
+ 	lw	\tmp, THREAD_FCR31(\thread)
+ 	lwc1	$f0,  THREAD_FPR0(\thread)
+ 	lwc1	$f1,  THREAD_FPR1(\thread)
+@@ -84,6 +89,7 @@
+ 	lwc1	$f30, THREAD_FPR30(\thread)
+ 	lwc1	$f31, THREAD_FPR31(\thread)
+ 	ctc1	\tmp, fcr31
++	.set pop
+ 	.endm
+ 
+ 	.macro	cpu_save_nonscratch thread
+diff -Nur linux-3.14.67.orig/arch/mips/include/asm/asmmacro.h linux-3.14.67/arch/mips/include/asm/asmmacro.h
+--- linux-3.14.67.orig/arch/mips/include/asm/asmmacro.h	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/include/asm/asmmacro.h	2016-04-27 16:18:41.729238756 +0200
+@@ -74,6 +74,8 @@
+ #endif /* CONFIG_MIPS_MT_SMTC */
+ 
+ 	.macro	fpu_save_16even thread tmp=t0
++	.set	push
++	SET_HARDFLOAT
+ 	cfc1	\tmp, fcr31
+ 	sdc1	$f0,  THREAD_FPR0(\thread)
+ 	sdc1	$f2,  THREAD_FPR2(\thread)
+@@ -127,6 +129,8 @@
+ 	.endm
+ 
+ 	.macro	fpu_restore_16even thread tmp=t0
++	.set	push
++	SET_HARDFLOAT
+ 	lw	\tmp, THREAD_FCR31(\thread)
+ 	ldc1	$f0,  THREAD_FPR0(\thread)
+ 	ldc1	$f2,  THREAD_FPR2(\thread)
+diff -Nur linux-3.14.67.orig/arch/mips/include/asm/fpregdef.h linux-3.14.67/arch/mips/include/asm/fpregdef.h
+--- linux-3.14.67.orig/arch/mips/include/asm/fpregdef.h	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/include/asm/fpregdef.h	2016-04-27 16:18:41.729238756 +0200
+@@ -14,6 +14,20 @@
+ 
+ #include <asm/sgidefs.h>
+ 
++/*
++ * starting with binutils 2.24.51.20140729, MIPS binutils warn about mixing
++ * hardfloat and softfloat object files.  The kernel build uses soft-float by
++ * default, so we also need to pass -msoft-float along to GAS if it supports it.
++ * But this in turn causes assembler errors in files which access hardfloat
++ * registers.  We detect if GAS supports "-msoft-float" in the Makefile and
++ * explicitly put ".set hardfloat" where floating point registers are touched.
++ */
++#ifdef GAS_HAS_SET_HARDFLOAT
++#define SET_HARDFLOAT .set hardfloat
++#else
++#define SET_HARDFLOAT
++#endif
++
+ #if _MIPS_SIM == _MIPS_SIM_ABI32
+ 
+ /*
+diff -Nur linux-3.14.67.orig/arch/mips/include/asm/mipsregs.h linux-3.14.67/arch/mips/include/asm/mipsregs.h
+--- linux-3.14.67.orig/arch/mips/include/asm/mipsregs.h	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/include/asm/mipsregs.h	2016-04-27 16:18:41.729238756 +0200
+@@ -1251,7 +1251,7 @@
+ /*
+  * Macros to access the floating point coprocessor control registers
+  */
+-#define read_32bit_cp1_register(source)					\
++#define _read_32bit_cp1_register(source, gas_hardfloat)			\
+ ({									\
+ 	int __res;							\
+ 									\
+@@ -1261,12 +1261,21 @@
+ 	"	# gas fails to assemble cfc1 for some archs,	\n"	\
+ 	"	# like Octeon.					\n"	\
+ 	"	.set	mips1					\n"	\
++	"	"STR(gas_hardfloat)"				\n"	\
+ 	"	cfc1	%0,"STR(source)"			\n"	\
+ 	"	.set	pop					\n"	\
+ 	: "=r" (__res));						\
+ 	__res;								\
+ })
+ 
++#ifdef GAS_HAS_SET_HARDFLOAT
++#define read_32bit_cp1_register(source)					\
++	_read_32bit_cp1_register(source, .set hardfloat)
++#else
++#define read_32bit_cp1_register(source)					\
++	_read_32bit_cp1_register(source, )
++#endif
++
+ #ifdef HAVE_AS_DSP
+ #define rddsp(mask)							\
+ ({									\
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/genex.S linux-3.14.67/arch/mips/kernel/genex.S
+--- linux-3.14.67.orig/arch/mips/kernel/genex.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/genex.S	2016-04-27 16:18:41.729238756 +0200
+@@ -408,6 +408,7 @@
+ 	.set	push
+ 	/* gas fails to assemble cfc1 for some archs (octeon).*/ \
+ 	.set	mips1
++	SET_HARDFLOAT
+ 	cfc1	a1, fcr31
+ 	li	a2, ~(0x3f << 12)
+ 	and	a2, a1
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/r2300_fpu.S linux-3.14.67/arch/mips/kernel/r2300_fpu.S
+--- linux-3.14.67.orig/arch/mips/kernel/r2300_fpu.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/r2300_fpu.S	2016-04-27 16:18:41.729238756 +0200
+@@ -28,6 +28,8 @@
+ 	.set	mips1
+ 	/* Save floating point context */
+ LEAF(_save_fp_context)
++	.set	push
++	SET_HARDFLOAT
+ 	li	v0, 0					# assume success
+ 	cfc1	t1,fcr31
+ 	EX(swc1 $f0,(SC_FPREGS+0)(a0))
+@@ -65,6 +67,7 @@
+ 	EX(sw	t1,(SC_FPC_CSR)(a0))
+ 	cfc1	t0,$0				# implementation/version
+ 	jr	ra
++	.set	pop
+ 	.set	nomacro
+ 	 EX(sw	t0,(SC_FPC_EIR)(a0))
+ 	.set	macro
+@@ -80,6 +83,8 @@
+  * stack frame which might have been changed by the user.
+  */
+ LEAF(_restore_fp_context)
++	.set	push
++	SET_HARDFLOAT
+ 	li	v0, 0					# assume success
+ 	EX(lw t0,(SC_FPC_CSR)(a0))
+ 	EX(lwc1 $f0,(SC_FPREGS+0)(a0))
+@@ -116,6 +121,7 @@
+ 	EX(lwc1 $f31,(SC_FPREGS+248)(a0))
+ 	jr	ra
+ 	 ctc1	t0,fcr31
++	.set	pop
+ 	END(_restore_fp_context)
+ 	.set	reorder
+ 
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/r2300_switch.S linux-3.14.67/arch/mips/kernel/r2300_switch.S
+--- linux-3.14.67.orig/arch/mips/kernel/r2300_switch.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/r2300_switch.S	2016-04-27 16:18:41.729238756 +0200
+@@ -120,6 +120,9 @@
+ 
+ #define FPU_DEFAULT  0x00000000
+ 
++	.set push
++	SET_HARDFLOAT
++
+ LEAF(_init_fpu)
+ 	mfc0	t0, CP0_STATUS
+ 	li	t1, ST0_CU1
+@@ -165,3 +168,5 @@
+ 	mtc1	t0, $f31
+ 	jr	ra
+ 	END(_init_fpu)
++
++	.set pop
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/r4k_fpu.S linux-3.14.67/arch/mips/kernel/r4k_fpu.S
+--- linux-3.14.67.orig/arch/mips/kernel/r4k_fpu.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/r4k_fpu.S	2016-04-27 16:18:41.729238756 +0200
+@@ -19,8 +19,12 @@
+ #include <asm/asm-offsets.h>
+ #include <asm/regdef.h>
+ 
++/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */
++#undef fp
++
+ 	.macro	EX insn, reg, src
+ 	.set	push
++	SET_HARDFLOAT
+ 	.set	nomacro
+ .ex\@:	\insn	\reg, \src
+ 	.set	pop
+@@ -33,12 +37,17 @@
+ 	.set	mips3
+ 
+ LEAF(_save_fp_context)
++	.set	push
++	SET_HARDFLOAT
+ 	cfc1	t1, fcr31
++	.set	pop
+ 
+ #if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2)
+ 	.set	push
++	SET_HARDFLOAT
+ #ifdef CONFIG_CPU_MIPS32_R2
+-	.set	mips64r2
++	.set	mips32r2
++	.set	fp=64
+ 	mfc0	t0, CP0_STATUS
+ 	sll	t0, t0, 5
+ 	bgez	t0, 1f			# skip storing odd if FR=0
+@@ -64,6 +73,8 @@
+ 1:	.set	pop
+ #endif
+ 
++	.set push
++	SET_HARDFLOAT
+ 	/* Store the 16 even double precision registers */
+ 	EX	sdc1 $f0, SC_FPREGS+0(a0)
+ 	EX	sdc1 $f2, SC_FPREGS+16(a0)
+@@ -84,11 +95,14 @@
+ 	EX	sw t1, SC_FPC_CSR(a0)
+ 	jr	ra
+ 	 li	v0, 0					# success
++	.set pop
+ 	END(_save_fp_context)
+ 
+ #ifdef CONFIG_MIPS32_COMPAT
+ 	/* Save 32-bit process floating point context */
+ LEAF(_save_fp_context32)
++	.set push
++	SET_HARDFLOAT
+ 	cfc1	t1, fcr31
+ 
+ 	mfc0	t0, CP0_STATUS
+@@ -134,6 +148,7 @@
+ 	EX	sw t1, SC32_FPC_CSR(a0)
+ 	cfc1	t0, $0				# implementation/version
+ 	EX	sw t0, SC32_FPC_EIR(a0)
++	.set pop
+ 
+ 	jr	ra
+ 	 li	v0, 0					# success
+@@ -150,8 +165,10 @@
+ 
+ #if defined(CONFIG_64BIT) || defined(CONFIG_CPU_MIPS32_R2)
+ 	.set	push
++	SET_HARDFLOAT
+ #ifdef CONFIG_CPU_MIPS32_R2
+-	.set	mips64r2
++	.set	mips32r2
++	.set	fp=64
+ 	mfc0	t0, CP0_STATUS
+ 	sll	t0, t0, 5
+ 	bgez	t0, 1f			# skip loading odd if FR=0
+@@ -175,6 +192,8 @@
+ 	EX	ldc1 $f31, SC_FPREGS+248(a0)
+ 1:	.set pop
+ #endif
++	.set push
++	SET_HARDFLOAT
+ 	EX	ldc1 $f0, SC_FPREGS+0(a0)
+ 	EX	ldc1 $f2, SC_FPREGS+16(a0)
+ 	EX	ldc1 $f4, SC_FPREGS+32(a0)
+@@ -192,6 +211,7 @@
+ 	EX	ldc1 $f28, SC_FPREGS+224(a0)
+ 	EX	ldc1 $f30, SC_FPREGS+240(a0)
+ 	ctc1	t1, fcr31
++	.set pop
+ 	jr	ra
+ 	 li	v0, 0					# success
+ 	END(_restore_fp_context)
+@@ -199,6 +219,8 @@
+ #ifdef CONFIG_MIPS32_COMPAT
+ LEAF(_restore_fp_context32)
+ 	/* Restore an o32 sigcontext.  */
++	.set push
++	SET_HARDFLOAT
+ 	EX	lw t1, SC32_FPC_CSR(a0)
+ 
+ 	mfc0	t0, CP0_STATUS
+@@ -242,6 +264,7 @@
+ 	ctc1	t1, fcr31
+ 	jr	ra
+ 	 li	v0, 0					# success
++	.set pop
+ 	END(_restore_fp_context32)
+ #endif
+ 
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/r4k_switch.S linux-3.14.67/arch/mips/kernel/r4k_switch.S
+--- linux-3.14.67.orig/arch/mips/kernel/r4k_switch.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/r4k_switch.S	2016-04-27 16:18:41.729238756 +0200
+@@ -22,6 +22,9 @@
+ 
+ #include <asm/asmmacro.h>
+ 
++/* preprocessor replaces the fp in ".set fp=64" with $30 otherwise */
++#undef fp
++
+ /*
+  * Offset to the current process status flags, the first 32 bytes of the
+  * stack are not used.
+@@ -151,6 +154,9 @@
+ 
+ #define FPU_DEFAULT  0x00000000
+ 
++	.set push
++	SET_HARDFLOAT
++
+ LEAF(_init_fpu)
+ #ifdef CONFIG_MIPS_MT_SMTC
+ 	/* Rather than manipulate per-VPE Status, set per-TC bit in TCStatus */
+@@ -231,7 +237,8 @@
+ 
+ #ifdef CONFIG_CPU_MIPS32_R2
+ 	.set    push
+-	.set    mips64r2
++	.set    mips32r2
++	.set	fp=64
+ 	sll     t0, t0, 5			# is Status.FR set?
+ 	bgez    t0, 1f				# no: skip setting upper 32b
+ 
+@@ -290,3 +297,5 @@
+ #endif
+ 	jr	ra
+ 	END(_init_fpu)
++
++	.set pop	/* SET_HARDFLOAT */
+diff -Nur linux-3.14.67.orig/arch/mips/kernel/r6000_fpu.S linux-3.14.67/arch/mips/kernel/r6000_fpu.S
+--- linux-3.14.67.orig/arch/mips/kernel/r6000_fpu.S	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/kernel/r6000_fpu.S	2016-04-27 16:18:41.729238756 +0200
+@@ -18,6 +18,9 @@
+ 
+ 	.set	noreorder
+ 	.set	mips2
++	.set	push
++	SET_HARDFLOAT
++
+ 	/* Save floating point context */
+ 	LEAF(_save_fp_context)
+ 	mfc0	t0,CP0_STATUS
+@@ -85,3 +88,5 @@
+ 1:	jr	ra
+ 	 nop
+ 	END(_restore_fp_context)
++
++	.set pop	/* SET_HARDFLOAT */
+diff -Nur linux-3.14.67.orig/arch/mips/Makefile linux-3.14.67/arch/mips/Makefile
+--- linux-3.14.67.orig/arch/mips/Makefile	2016-04-20 08:41:04.000000000 +0200
++++ linux-3.14.67/arch/mips/Makefile	2016-04-27 16:18:41.729238756 +0200
+@@ -93,6 +93,15 @@
+ KBUILD_AFLAGS_MODULE		+= -mlong-calls
+ KBUILD_CFLAGS_MODULE		+= -mlong-calls
+ 
++#
++# pass -msoft-float to GAS if it supports it.  However on newer binutils
++# (specifically newer than 2.24.51.20140728) we then also need to explicitly
++# set ".set hardfloat" in all files which manipulate floating point registers.
++#
++ifneq ($(call as-option,-Wa$(comma)-msoft-float,),)
++	cflags-y		+= -DGAS_HAS_SET_HARDFLOAT -Wa,-msoft-float
++endif
++
+ cflags-y += -ffreestanding
+ 
+ #