| Message ID | 20241016083625.136311-3-alexghiti@rivosinc.com (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | fcb5dcb789a2752b14f5acd993533c2a9497f7da |
| Headers | show |
| Series | Prevent dynamic relocations in vDSO | expand |
On Wed, Oct 16, 2024 at 4:38 PM Alexandre Ghiti <alexghiti@rivosinc.com> wrote: > > Like other architectures, use the common cmd_vdso_check to make sure of > that. > > Reviewed-by: Björn Töpel <bjorn@rivosinc.com> > Tested-by: Vladimir Isaev <vladimir.isaev@syntacore.com> > Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com> > --- > arch/riscv/kernel/vdso/Makefile | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile > index 3f1c4b2d0b06..9a1b555e8733 100644 > --- a/arch/riscv/kernel/vdso/Makefile > +++ b/arch/riscv/kernel/vdso/Makefile > @@ -45,7 +45,7 @@ $(obj)/vdso.o: $(obj)/vdso.so > > # link rule for the .so file, .lds has to be first > $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE > - $(call if_changed,vdsold) > + $(call if_changed,vdsold_and_check) > LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \ > --build-id=sha1 --hash-style=both --eh-frame-hdr > > @@ -65,7 +65,8 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE > # actual build commands > # The DSO images are built using a special linker script > # Make sure only to export the intended __vdso_xxx symbol offsets. > -quiet_cmd_vdsold = VDSOLD $@ > - cmd_vdsold = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \ > +quiet_cmd_vdsold_and_check = VDSOLD $@ > + cmd_vdsold_and_check = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \ > $(OBJCOPY) $(patsubst %, -G __vdso_%, $(vdso-syms)) $@.tmp $@ && \ > - rm $@.tmp > + rm $@.tmp && \ > + $(cmd_vdso_check) Following other architectures to append a $(cmd_vdso_check) is okay. Reviewed-by: Guo Ren <guoren@kernel.org> > -- > 2.39.2 >
diff --git a/arch/riscv/kernel/vdso/Makefile b/arch/riscv/kernel/vdso/Makefile index 3f1c4b2d0b06..9a1b555e8733 100644 --- a/arch/riscv/kernel/vdso/Makefile +++ b/arch/riscv/kernel/vdso/Makefile @@ -45,7 +45,7 @@ $(obj)/vdso.o: $(obj)/vdso.so # link rule for the .so file, .lds has to be first $(obj)/vdso.so.dbg: $(obj)/vdso.lds $(obj-vdso) FORCE - $(call if_changed,vdsold) + $(call if_changed,vdsold_and_check) LDFLAGS_vdso.so.dbg = -shared -soname=linux-vdso.so.1 \ --build-id=sha1 --hash-style=both --eh-frame-hdr @@ -65,7 +65,8 @@ include/generated/vdso-offsets.h: $(obj)/vdso.so.dbg FORCE # actual build commands # The DSO images are built using a special linker script # Make sure only to export the intended __vdso_xxx symbol offsets. -quiet_cmd_vdsold = VDSOLD $@ - cmd_vdsold = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \ +quiet_cmd_vdsold_and_check = VDSOLD $@ + cmd_vdsold_and_check = $(LD) $(ld_flags) -T $(filter-out FORCE,$^) -o $@.tmp && \ $(OBJCOPY) $(patsubst %, -G __vdso_%, $(vdso-syms)) $@.tmp $@ && \ - rm $@.tmp + rm $@.tmp && \ + $(cmd_vdso_check)