The relvent code using amd64_errata_set4 is #if 0'd out so do the same to the variable.
amd64errata.c:103:22: error: unused variable 'amd64_errata_set4' [-Werror,-Wunused-const-variable] OK? Index: amd64/amd64/amd64errata.c =================================================================== RCS file: /home/cvs/src/sys/arch/amd64/amd64/amd64errata.c,v retrieving revision 1.5 diff -u -p -r1.5 amd64errata.c --- amd64/amd64/amd64errata.c 21 May 2013 21:12:17 -0000 1.5 +++ amd64/amd64/amd64errata.c 3 Dec 2013 23:38:59 -0000 @@ -100,10 +100,12 @@ static const uint8_t amd64_errata_set3[] JH_E1, DH_E3, OINK }; +#if 0 static const uint8_t amd64_errata_set4[] = { SH_C0, SH_CG, DH_CG, CH_CG, SH_D0, DH_D0, CH_D0, JH_E1, DH_E3, SH_E4, BH_E4, SH_E5, DH_E6, JH_E6, OINK }; +#endif static const uint8_t amd64_errata_set5[] = { SH_B3, OINK Index: i386/i386/amd64errata.c =================================================================== RCS file: /home/cvs/src/sys/arch/i386/i386/amd64errata.c,v retrieving revision 1.5 diff -u -p -r1.5 amd64errata.c --- i386/i386/amd64errata.c 21 May 2013 21:12:17 -0000 1.5 +++ i386/i386/amd64errata.c 3 Dec 2013 23:39:40 -0000 @@ -100,10 +100,12 @@ static const uint8_t amd64_errata_set3[] JH_E1, DH_E3, OINK }; +#if 0 static const uint8_t amd64_errata_set4[] = { SH_C0, SH_CG, DH_CG, CH_CG, SH_D0, DH_D0, CH_D0, JH_E1, DH_E3, SH_E4, BH_E4, SH_E5, DH_E6, JH_E6, OINK }; +#endif static const uint8_t amd64_errata_set5[] = { SH_B3, OINK -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean.