Merge android-4.4.113 (ef588ef) into msm-4.4

* refs/heads/tmp-ef588ef
  Linux 4.4.113
  MIPS: AR7: ensure the port type's FCR value is used
  x86/retpoline: Optimize inline assembler for vmexit_fill_RSB
  x86/pti: Document fix wrong index
  kprobes/x86: Disable optimizing on the function jumps to indirect thunk
  kprobes/x86: Blacklist indirect thunk functions for kprobes
  retpoline: Introduce start/end markers of indirect thunk
  x86/mce: Make machine check speculation protected
  kbuild: modversions for EXPORT_SYMBOL() for asm
  x86/cpu, x86/pti: Do not enable PTI on AMD processors
  arm64: KVM: Fix SMCCC handling of unimplemented SMC/HVC calls
  dm thin metadata: THIN_MAX_CONCURRENT_LOCKS should be 6
  dm btree: fix serious bug in btree_split_beneath()
  libata: apply MAX_SEC_1024 to all LITEON EP1 series devices
  can: peak: fix potential bug in packet fragmentation
  ARM: dts: kirkwood: fix pin-muxing of MPP7 on OpenBlocks A7
  phy: work around 'phys' references to usb-nop-xceiv devices
  tracing: Fix converting enum's from the map in trace_event_eval_update()
  Input: twl4030-vibra - fix sibling-node lookup
  Input: twl6040-vibra - fix child-node lookup
  Input: twl6040-vibra - fix DT node memory management
  Input: 88pm860x-ts - fix child-node lookup
  x86/apic/vector: Fix off by one in error path
  pipe: avoid round_pipe_size() nr_pages overflow on 32-bit
  module: Add retpoline tag to VERMAGIC
  x86/retpoline: Add LFENCE to the retpoline/RSB filling RSB macros
  sched/deadline: Zero out positive runtime after throttling constrained tasks
  scsi: hpsa: fix volume offline state
  af_key: fix buffer overread in parse_exthdrs()
  af_key: fix buffer overread in verify_address_len()
  ALSA: hda - Apply the existing quirk to iMac 14,1
  ALSA: hda - Apply headphone noise quirk for another Dell XPS 13 variant
  ALSA: pcm: Remove yet superfluous WARN_ON()
  futex: Prevent overflow by strengthen input validation
  scsi: sg: disable SET_FORCE_LOW_DMA
  x86/retpoline: Remove compile time warning
  x86/retpoline: Fill return stack buffer on vmexit
  x86/retpoline/irq32: Convert assembler indirect jumps
  x86/retpoline/checksum32: Convert assembler indirect jumps
  x86/retpoline/xen: Convert Xen hypercall indirect jumps
  x86/retpoline/hyperv: Convert assembler indirect jumps
  x86/retpoline/ftrace: Convert ftrace assembler indirect jumps
  x86/retpoline/entry: Convert entry assembler indirect jumps
  x86/retpoline/crypto: Convert crypto assembler indirect jumps
  x86/spectre: Add boot time option to select Spectre v2 mitigation
  x86/retpoline: Add initial retpoline support
  kconfig.h: use __is_defined() to check if MODULE is defined
  EXPORT_SYMBOL() for asm
  x86/asm: Make asm/alternative.h safe from assembly
  x86/kbuild: enable modversions for symbols exported from asm
  x86/asm: Use register variable to get stack pointer value
  x86/mm/32: Move setup_clear_cpu_cap(X86_FEATURE_PCID) earlier
  x86/cpu/AMD: Use LFENCE_RDTSC in preference to MFENCE_RDTSC
  x86/cpu/AMD: Make LFENCE a serializing instruction
  gcov: disable for COMPILE_TEST
  ANDROID: sdcardfs: Move default_normal to superblock
  blkdev: Refactoring block io latency histogram codes
  FROMLIST: arm64: kpti: Fix the interaction between ASID switching and software PAN
  FROMLIST: arm64: Move post_ttbr_update_workaround to C code
  FROMLIST: arm64: mm: Rename post_ttbr0_update_workaround
  sched: EAS: Initialize push_task as NULL to avoid direct reference on out_unlock path

Conflicts:
	arch/arm64/include/asm/efi.h
	arch/arm64/include/asm/mmu_context.h
	drivers/scsi/sg.c
	drivers/scsi/ufs/ufshcd.h

Change-Id: Ibfa06af8ef308077aad6995874d4b7b0a73e95f3
Signed-off-by: Srinivasarao P <spathi@codeaurora.org>

1 files changed, 80 insertions, 7 deletions

diff --git a/scripts/Makefile.build b/scripts/Makefile.build
index c6abef59d020..e6441514be23 100644
--- a/scripts/Makefile.build
+++ b/scripts/Makefile.build
@@ -163,7 +163,8 @@ cmd_cc_i_c       = $(CPP) $(c_flags)   -o $@ $<
 $(obj)/%.i: $(src)/%.c FORCE
 	$(call if_changed_dep,cc_i_c)
 
-cmd_gensymtypes =                                                           \
+# These mirror gensymtypes_S and co below, keep them in synch.
+cmd_gensymtypes_c =                                                         \
     $(CPP) -D__GENKSYMS__ $(c_flags) $< |                                   \
     $(GENKSYMS) $(if $(1), -T $(2))                                         \
      $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))             \
@@ -173,7 +174,7 @@ cmd_gensymtypes =                                                           \
 quiet_cmd_cc_symtypes_c = SYM $(quiet_modtag) $@
 cmd_cc_symtypes_c =                                                         \
     set -e;                                                                 \
-    $(call cmd_gensymtypes,true,$@) >/dev/null;                             \
+    $(call cmd_gensymtypes_c,true,$@) >/dev/null;                           \
     test -s $@ || rm -f $@
 
 $(obj)/%.symtypes : $(src)/%.c FORCE
@@ -210,9 +211,10 @@ else
 #   the actual value of the checksum generated by genksyms
 
 cmd_cc_o_c = $(CC) $(c_flags) -c -o $(@D)/.tmp_$(@F) $<
-cmd_modversions =								\
+
+cmd_modversions_c =								\
 	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then		\
-		$(call cmd_gensymtypes,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
+		$(call cmd_gensymtypes_c,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
 		    > $(@D)/.tmp_$(@F:.o=.ver);					\
 										\
 		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 			\
@@ -257,7 +259,7 @@ endif
 define rule_cc_o_c
 	$(call echo-cmd,checksrc) $(cmd_checksrc)			  \
 	$(call echo-cmd,cc_o_c) $(cmd_cc_o_c);				  \
-	$(cmd_modversions)						  \
+	$(cmd_modversions_c)						  \
 	$(call echo-cmd,record_mcount)					  \
 	$(cmd_record_mcount)						  \
 	scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,cc_o_c)' >    \
@@ -266,6 +268,15 @@ define rule_cc_o_c
 	mv -f $(dot-target).tmp $(dot-target).cmd
 endef
 
+define rule_as_o_S
+       $(call echo-cmd,as_o_S) $(cmd_as_o_S);                            \
+       scripts/basic/fixdep $(depfile) $@ '$(call make-cmd,as_o_S)' >    \
+                                                     $(dot-target).tmp;  \
+       $(cmd_modversions_S)						 \
+       rm -f $(depfile);                                                 \
+       mv -f $(dot-target).tmp $(dot-target).cmd
+endef
+
 # Built-in and composite module parts
 $(obj)/%.o: $(src)/%.c $(recordmcount_source) FORCE
 	$(call cmd,force_checksrc)
@@ -294,6 +305,38 @@ modkern_aflags := $(KBUILD_AFLAGS_KERNEL) $(AFLAGS_KERNEL)
 $(real-objs-m)      : modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 $(real-objs-m:.o=.s): modkern_aflags := $(KBUILD_AFLAGS_MODULE) $(AFLAGS_MODULE)
 
+# .S file exports must have their C prototypes defined in asm/asm-prototypes.h
+# or a file that it includes, in order to get versioned symbols. We build a
+# dummy C file that includes asm-prototypes and the EXPORT_SYMBOL lines from
+# the .S file (with trailing ';'), and run genksyms on that, to extract vers.
+#
+# This is convoluted. The .S file must first be preprocessed to run guards and
+# expand names, then the resulting exports must be constructed into plain
+# EXPORT_SYMBOL(symbol); to build our dummy C file, and that gets preprocessed
+# to make the genksyms input.
+#
+# These mirror gensymtypes_c and co above, keep them in synch.
+cmd_gensymtypes_S =                                                         \
+    (echo "\#include <linux/kernel.h>" ;                                    \
+     echo "\#include <asm/asm-prototypes.h>" ;                              \
+    $(CPP) $(a_flags) $< |                                                  \
+      grep "\<___EXPORT_SYMBOL\>" |                                          \
+      sed 's/.*___EXPORT_SYMBOL[[:space:]]*\([a-zA-Z0-9_]*\)[[:space:]]*,.*/EXPORT_SYMBOL(\1);/' ) | \
+    $(CPP) -D__GENKSYMS__ $(c_flags) -xc - |                                \
+    $(GENKSYMS) $(if $(1), -T $(2))                                         \
+     $(patsubst y,-s _,$(CONFIG_HAVE_UNDERSCORE_SYMBOL_PREFIX))             \
+     $(if $(KBUILD_PRESERVE),-p)                                            \
+     -r $(firstword $(wildcard $(2:.symtypes=.symref) /dev/null))
+
+quiet_cmd_cc_symtypes_S = SYM $(quiet_modtag) $@
+cmd_cc_symtypes_S =                                                         \
+    set -e;                                                                 \
+    $(call cmd_gensymtypes_S,true,$@) >/dev/null;                           \
+    test -s $@ || rm -f $@
+
+$(obj)/%.symtypes : $(src)/%.S FORCE
+	$(call cmd,cc_symtypes_S)
+
 quiet_cmd_as_s_S = CPP $(quiet_modtag) $@
 cmd_as_s_S       = $(CPP) $(a_flags)   -o $@ $<
 
@@ -301,10 +344,40 @@ $(obj)/%.s: $(src)/%.S FORCE
 	$(call if_changed_dep,as_s_S)
 
 quiet_cmd_as_o_S = AS $(quiet_modtag)  $@
-cmd_as_o_S       = $(CC) $(a_flags) -c -o $@ $<
+
+ifndef CONFIG_MODVERSIONS
+cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
+
+else
+
+ASM_PROTOTYPES := $(wildcard $(srctree)/arch/$(SRCARCH)/include/asm/asm-prototypes.h)
+
+ifeq ($(ASM_PROTOTYPES),)
+cmd_as_o_S = $(CC) $(a_flags) -c -o $@ $<
+
+else
+
+# versioning matches the C process described above, with difference that
+# we parse asm-prototypes.h C header to get function definitions.
+
+cmd_as_o_S = $(CC) $(a_flags) -c -o $(@D)/.tmp_$(@F) $<
+
+cmd_modversions_S =								\
+	if $(OBJDUMP) -h $(@D)/.tmp_$(@F) | grep -q __ksymtab; then		\
+		$(call cmd_gensymtypes_S,$(KBUILD_SYMTYPES),$(@:.o=.symtypes))	\
+		    > $(@D)/.tmp_$(@F:.o=.ver);					\
+										\
+		$(LD) $(LDFLAGS) -r -o $@ $(@D)/.tmp_$(@F) 			\
+			-T $(@D)/.tmp_$(@F:.o=.ver);				\
+		rm -f $(@D)/.tmp_$(@F) $(@D)/.tmp_$(@F:.o=.ver);		\
+	else									\
+		mv -f $(@D)/.tmp_$(@F) $@;					\
+	fi;
+endif
+endif
 
 $(obj)/%.o: $(src)/%.S FORCE
-	$(call if_changed_dep,as_o_S)
+	$(call if_changed_rule,as_o_S)
 
 targets += $(real-objs-y) $(real-objs-m) $(lib-y)
 targets += $(extra-y) $(MAKECMDGOALS) $(always)