change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/lib/Makefile
..
..
@@ -6,22 +6,31 @@
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 # Produces uninteresting flaky coverage.
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 KCOV_INSTRUMENT_delay.o	:= n
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+# KCSAN uses udelay for introducing watchpoint delay; avoid recursion.
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+KCSAN_SANITIZE_delay.o := n
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+ifdef CONFIG_KCSAN
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+# In case KCSAN+lockdep+ftrace are enabled, disable ftrace for delay.o to avoid
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+# lockdep -> [other libs] -> KCSAN -> udelay -> ftrace -> lockdep recursion.
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+CFLAGS_REMOVE_delay.o = $(CC_FLAGS_FTRACE)
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+endif
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+
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 # Early boot use of cmdline; don't instrument it
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 ifdef CONFIG_AMD_MEM_ENCRYPT
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 KCOV_INSTRUMENT_cmdline.o := n
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 KASAN_SANITIZE_cmdline.o  := n
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+KCSAN_SANITIZE_cmdline.o  := n
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 ifdef CONFIG_FUNCTION_TRACER
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 CFLAGS_REMOVE_cmdline.o = -pg
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 endif
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-CFLAGS_cmdline.o := $(call cc-option, -fno-stack-protector)
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+CFLAGS_cmdline.o := -fno-stack-protector -fno-jump-tables
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 endif
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 inat_tables_script = $(srctree)/arch/x86/tools/gen-insn-attr-x86.awk
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 inat_tables_maps = $(srctree)/arch/x86/lib/x86-opcode-map.txt
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 quiet_cmd_inat_tables = GEN     $@
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-      cmd_inat_tables = $(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@ || rm -f $@
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+      cmd_inat_tables = $(AWK) -f $(inat_tables_script) $(inat_tables_maps) > $@
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 $(obj)/inat-tables.c: $(inat_tables_script) $(inat_tables_maps)
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 	$(call cmd,inat_tables)
..
..
@@ -35,13 +44,14 @@
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 lib-y := delay.o misc.o cmdline.o cpu.o
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 lib-y += usercopy_$(BITS).o usercopy.o getuser.o putuser.o
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 lib-y += memcpy_$(BITS).o
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-lib-$(CONFIG_RWSEM_XCHGADD_ALGORITHM) += rwsem.o
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+lib-$(CONFIG_ARCH_HAS_COPY_MC) += copy_mc.o copy_mc_64.o
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 lib-$(CONFIG_INSTRUCTION_DECODER) += insn.o inat.o insn-eval.o
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 lib-$(CONFIG_RANDOMIZE_BASE) += kaslr.o
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 lib-$(CONFIG_FUNCTION_ERROR_INJECTION)	+= error-inject.o
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 lib-$(CONFIG_RETPOLINE) += retpoline.o
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 obj-y += msr.o msr-reg.o msr-reg-export.o hweight.o
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+obj-y += iomem.o
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 ifeq ($(CONFIG_X86_32),y)
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         obj-y += atomic64_32.o