Messages in this thread | | | From | Christophe Leroy <> | Subject | Re: [PATCH v2 03/16] powerpc: Fix objtool unannotated intra-function call warnings | Date | Tue, 30 Aug 2022 12:42:49 +0000 |
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Le 29/08/2022 à 07:52, Sathvika Vasireddy a écrit : > objtool throws unannotated intra-function call warnings > in the following assembly files: > > arch/powerpc/kernel/vector.o: warning: objtool: .text+0x53c: unannotated intra-function call > > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x60: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x124: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x5d4: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x5dc: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0xcb8: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0xd0c: unannotated intra-function call > arch/powerpc/kvm/book3s_hv_rmhandlers.o: warning: objtool: .text+0x1030: unannotated intra-function call > > arch/powerpc/kernel/head_64.o: warning: objtool: .text+0x358: unannotated intra-function call > arch/powerpc/kernel/head_64.o: warning: objtool: .text+0x728: unannotated intra-function call > arch/powerpc/kernel/head_64.o: warning: objtool: .text+0x4d94: unannotated intra-function call > arch/powerpc/kernel/head_64.o: warning: objtool: .text+0x4ec4: unannotated intra-function call > > arch/powerpc/kvm/book3s_hv_interrupts.o: warning: objtool: .text+0x6c: unannotated intra-function call > arch/powerpc/kernel/misc_64.o: warning: objtool: .text+0x64: unannotated intra-function call > > objtool does not add STT_NOTYPE symbols with size 0 to the > rbtree, which is why find_call_destination() function is not able > to find the destination symbol for 'bl' instruction. For such symbols, > objtool is throwing unannotated intra-function call warnings in > assembly files. Fix these warnings by adding SYM_FUNC_START_LOCAL() > and SYM_FUNC_END() annotations to those symbols to be able to set symbol > type to STT_FUNC and set size of these symbols accordingly. > > Signed-off-by: Sathvika Vasireddy <sv@linux.ibm.com> > --- > arch/powerpc/kernel/exceptions-64s.S | 7 +++++-- > arch/powerpc/kernel/head_64.S | 7 +++++-- > arch/powerpc/kernel/misc_64.S | 4 +++- > arch/powerpc/kernel/vector.S | 4 +++- > arch/powerpc/kvm/book3s_hv_interrupts.S | 4 +++- > arch/powerpc/kvm/book3s_hv_rmhandlers.S | 22 +++++++++++++++------- > 6 files changed, 34 insertions(+), 14 deletions(-) > > diff --git a/arch/powerpc/kernel/exceptions-64s.S b/arch/powerpc/kernel/exceptions-64s.S > index 3d0dc133a9ae..4242c1a20bcd 100644 > --- a/arch/powerpc/kernel/exceptions-64s.S > +++ b/arch/powerpc/kernel/exceptions-64s.S > @@ -20,6 +20,7 @@ > #include <asm/head-64.h> > #include <asm/feature-fixups.h> > #include <asm/kup.h> > +#include <linux/linkage.h>
Can you keep all <linux/...> all together _before_ the <asm/...> ones as usual ?
Christophe
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