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[01/22] lib: s390x: mmu: fix conflicting types for get_dat_entry

Message ID 20230711141607.40742-2-nrb@linux.ibm.com (mailing list archive)
State New, archived
Headers show
Series [01/22] lib: s390x: mmu: fix conflicting types for get_dat_entry | expand

Commit Message

Nico Boehr July 11, 2023, 2:15 p.m. UTC 
This causes compilation to fail with GCC 13:

gcc -std=gnu99 -ffreestanding -I/kut/lib -I/kut/lib/s390x -Ilib -O2 -march=zEC12 -mbackchain -fno-delete-null-pointer-checks -g -MMD -MF lib/s390x/.mmu.d -fno-strict-aliasing -fno-common -Wall -Wwrite-strings -Wempty-body -Wuninitialized -Wignored-qualifiers -Wno-missing-braces -Werror  -fomit-frame-pointer  -fno-stack-protector    -Wno-frame-address   -fno-pic  -no-pie  -Wclobbered  -Wunused-but-set-parameter  -Wmissing-parameter-type  -Wold-style-declaration -Woverride-init -Wmissing-prototypes -Wstrict-prototypes -I/kut/lib -I/kut/lib/s390x -Ilib  -c -o lib/s390x/mmu.o lib/s390x/mmu.c
lib/s390x/mmu.c:132:7: error: conflicting types for ‘get_dat_entry’ due to enum/integer mismatch; have ‘void *(pgd_t *, void *, enum pgt_level)’ [-Werror=enum-int-mismatch]
  132 | void *get_dat_entry(pgd_t *pgtable, void *vaddr, enum pgt_level level)
      |       ^~~~~~~~~~~~~
In file included from lib/s390x/mmu.c:16:
lib/s390x/mmu.h:96:7: note: previous declaration of ‘get_dat_entry’ with type ‘void *(pgd_t *, void *, unsigned int)’
   96 | void *get_dat_entry(pgd_t *pgtable, void *vaddr, unsigned int level);
      |       ^~~~~~~~~~~~~

Reviewed-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Nina Schoetterl-Glausch <nsg@linux.ibm.com>
Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Signed-off-by: Nico Boehr <nrb@linux.ibm.com>
---
 lib/s390x/mmu.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/lib/s390x/mmu.h b/lib/s390x/mmu.h
index 15f88e4..dadc2e6 100644
--- a/lib/s390x/mmu.h
+++ b/lib/s390x/mmu.h
@@ -93,6 +93,6 @@  static inline void unprotect_page(void *vaddr, unsigned long prot)
 	unprotect_dat_entry(vaddr, prot, pgtable_level_pte);
 }
 
-void *get_dat_entry(pgd_t *pgtable, void *vaddr, unsigned int level);
+void *get_dat_entry(pgd_t *pgtable, void *vaddr, enum pgt_level level);
 
 #endif /* _ASMS390X_MMU_H_ */