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authorJosh Poimboeuf <jpoimboe@redhat.com>2017-10-04 10:39:05 -0500
committerRadim Krčmář <rkrcmar@redhat.com>2017-10-05 15:06:30 +0200
commitf26e60167d8b5b1c67b3efd4cb5672da446bdb0e (patch)
tree607ac1ada59e9a982c0e06ce6849a5da5a641142 /arch
parenta2b7861bb33b2538420bb5d8554153484d3f961f (diff)
x86/kvm: Move kvm_fastop_exception to .fixup section
When compiling the kernel with the '-frecord-gcc-switches' flag, objtool complains: arch/x86/kvm/emulate.o: warning: objtool: .GCC.command.line+0x0: special: can't find new instruction And also the kernel fails to link. The problem is that the 'kvm_fastop_exception' code gets placed into the throwaway '.GCC.command.line' section instead of '.text'. Exception fixup code is conventionally placed in the '.fixup' section, so put it there where it belongs. Reported-and-tested-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Reviewed-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/emulate.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index a36254cbf776..d90cdc77e077 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -425,8 +425,10 @@ static int fastop(struct x86_emulate_ctxt *ctxt, void (*fop)(struct fastop *));
#op " %al \n\t" \
FOP_RET
-asm(".global kvm_fastop_exception \n"
- "kvm_fastop_exception: xor %esi, %esi; ret");
+asm(".pushsection .fixup, \"ax\"\n"
+ ".global kvm_fastop_exception \n"
+ "kvm_fastop_exception: xor %esi, %esi; ret\n"
+ ".popsection");
FOP_START(setcc)
FOP_SETCC(seto)