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[RFC,2/2] ARC: Add support of bitops via generic implementation

Message ID 20200120124329.3001-3-abrodkin@synopsys.com
State New
Headers show
Series Import and use non-atomic bit-ops | expand

Commit Message

Alexey Brodkin Jan. 20, 2020, 12:43 p.m. UTC 
This allows building more things. In particular with
CONFIG_PKCS7_MESSAGE_PARSER=y we saw this:
------------------------>8----------------------
lib/crypto/pkcs7_parser.c: In function 'pkcs7_sig_note_authenticated_attr':
lib/crypto/pkcs7_parser.c:489:7: warning: implicit declaration of function '__test_and_set_bit' [-Wimplicit-function-declaration]
  489 |   if (__test_and_set_bit(sinfo_has_content_type, &sinfo->aa_set))
      |       ^~~~~~~~~~~~~~~~~~
  CC      lib/crc32.o
  CC      lib/ctype.o
  DTB     test/overlay/test-fdt-overlay-stacked.dtb.S
  CC      lib/div64.o
lib/crypto/pkcs7_parser.c: In function 'pkcs7_sig_note_set_of_authattrs':
lib/crypto/pkcs7_parser.c:572:7: warning: implicit declaration of function 'test_bit' [-Wimplicit-function-declaration]
  572 |  if (!test_bit(sinfo_has_content_type, &sinfo->aa_set) ||
...
  LD      u-boot
arc-elf32-ld.bfd: lib/built-in.o: in function 'pkcs7_sig_note_authenticated_attr':
.../lib/crypto/pkcs7_parser.c:489: undefined reference to '__test_and_set_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:489: undefined reference to '__test_and_set_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:501: undefined reference to '__test_and_set_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:501: undefined reference to '__test_and_set_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:510: undefined reference to '__test_and_set_bit'
arc-elf32-ld.bfd: lib/built-in.o:.../lib/crypto/pkcs7_parser.c:510: more undefined references to '__test_and_set_bit' follow
arc-elf32-ld.bfd: lib/built-in.o: in function 'pkcs7_sig_note_set_of_authattrs':
.../lib/crypto/pkcs7_parser.c:572: undefined reference to `test_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:572: undefined reference to `test_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:573: undefined reference to `test_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:573: undefined reference to `test_bit'
arc-elf32-ld.bfd: .../lib/crypto/pkcs7_parser.c:579: undefined reference to `test_bit'
arc-elf32-ld.bfd: lib/built-in.o:.../lib/crypto/pkcs7_parser.c:579: more undefined references to 'test_bit' follow
------------------------>8----------------------

Signed-off-by: Alexey Brodkin <abrodkin@synopsys.com>
---
 arch/arc/include/asm/bitops.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/arch/arc/include/asm/bitops.h b/arch/arc/include/asm/bitops.h
index c6dd28ecef..daa07e80a8 100644
--- a/arch/arc/include/asm/bitops.h
+++ b/arch/arc/include/asm/bitops.h
@@ -19,5 +19,6 @@ 
 #include <asm-generic/bitops/__fls.h>
 #include <asm-generic/bitops/fls64.h>
 #include <asm-generic/bitops/__ffs.h>
+#include <asm-generic/bitops/non-atomic.h>
 
 #endif /* __ASM_ARC_BITOPS_H */