[Bug 208957] New: 5.9-rc1 fails to build for a PowerMac G5: .../book3s64/hash_utils.c:1119:21: error: ‘default_uamor’ undeclared (first use in this function) 1119 | mtspr(SPRN_UAMOR, default_uamor);

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=208957

            Bug ID: 208957
           Summary: 5.9-rc1 fails to build for a PowerMac G5:
                    .../book3s64/hash_utils.c:1119:21: error:
                    ‘default_uamor’ undeclared (first use in this
                    function)  1119 |   mtspr(SPRN_UAMOR, default_uamor);
           Product: Platform Specific/Hardware
           Version: 2.5
    Kernel Version: 5.9-rc1
          Hardware: PPC-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: PPC-64
          Assignee: platform_ppc-64 at kernel-bugs.osdl.org
          Reporter: erhard_f at mailbox.org
        Regression: No

Created attachment 292021
  --> https://bugzilla.kernel.org/attachment.cgi?id=292021&action=edit
kernel .config (kernel 5.9-rc1, PowerMac G5 11,2)

[...]
  CALL    scripts/checksyscalls.sh
  CALL    scripts/atomic/check-atomics.sh
  CHK     include/generated/compile.h
  CC      arch/powerpc/mm/book3s64/hash_utils.o
In file included from ./arch/powerpc/include/asm/processor.h:9,
                 from ./arch/powerpc/include/asm/thread_info.h:40,
                 from ./include/linux/thread_info.h:38,
                 from ./include/asm-generic/preempt.h:5,
                 from ./arch/powerpc/include/generated/asm/preempt.h:1,
                 from ./include/linux/preempt.h:78,
                 from ./include/linux/spinlock.h:51,
                 from arch/powerpc/mm/book3s64/hash_utils.c:21:
arch/powerpc/mm/book3s64/hash_utils.c: In function
‘hash__early_init_mmu_secondary’:
arch/powerpc/mm/book3s64/hash_utils.c:1119:21: error: ‘default_uamor’
undeclared (first use in this function)
 1119 |   mtspr(SPRN_UAMOR, default_uamor);
      |                     ^~~~~~~~~~~~~
./arch/powerpc/include/asm/reg.h:1396:33: note: in definition of macro ‘mtspr’
 1396 |          : "r" ((unsigned long)(v)) \
      |                                 ^
arch/powerpc/mm/book3s64/hash_utils.c:1119:21: note: each undeclared identifier
is reported only once for each function it appears in
 1119 |   mtspr(SPRN_UAMOR, default_uamor);
      |                     ^~~~~~~~~~~~~
./arch/powerpc/include/asm/reg.h:1396:33: note: in definition of macro ‘mtspr’
 1396 |          : "r" ((unsigned long)(v)) \
      |                                 ^
make[3]: *** [scripts/Makefile.build:283:
arch/powerpc/mm/book3s64/hash_utils.o] Error 1
make[2]: *** [scripts/Makefile.build:500: arch/powerpc/mm/book3s64] Error 2
make[1]: *** [scripts/Makefile.build:500: arch/powerpc/mm] Error 2
make: *** [Makefile:1789: arch/powerpc] Error 2

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