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/freebsd-11-stable/sys/amd64/amd64/
H A Dtrap.cdiff 327403 Sun Dec 31 02:54:26 MST 2017 mjg MFC r321922:
amd64: annotate the syscall return address check with __predict_false

before:
0xffffffff80b03ebb <+2059>: mov 0x460(%r14),%rax
0xffffffff80b03ec2 <+2066>: mov 0x98(%rax),%rax
0xffffffff80b03ec9 <+2073>: shr $0x2f,%rax
0xffffffff80b03ecd <+2077>: je 0xffffffff80b03edd <amd64_syscall+2093>
0xffffffff80b03ecf <+2079>: mov 0x3f8(%r14),%rax
0xffffffff80b03ed6 <+2086>: orl $0x1,0xc8(%rax)
0xffffffff80b03edd <+2093>: add $0xf8,%rsp

after:
0xffffffff80b03ebb <+2059>: mov 0x460(%r14),%rax
0xffffffff80b03ec2 <+2066>: mov 0x98(%rax),%rax
0xffffffff80b03ec9 <+2073>: shr $0x2f,%rax
0xffffffff80b03ecd <+2077>: jne 0xffffffff80b03eef <amd64_syscall+2111>
0xffffffff80b03ecf <+2079>: add $0xf8,%rsp
diff 327403 Sun Dec 31 02:54:26 MST 2017 mjg MFC r321922:
amd64: annotate the syscall return address check with __predict_false

before:
0xffffffff80b03ebb <+2059>: mov 0x460(%r14),%rax
0xffffffff80b03ec2 <+2066>: mov 0x98(%rax),%rax
0xffffffff80b03ec9 <+2073>: shr $0x2f,%rax
0xffffffff80b03ecd <+2077>: je 0xffffffff80b03edd <amd64_syscall+2093>
0xffffffff80b03ecf <+2079>: mov 0x3f8(%r14),%rax
0xffffffff80b03ed6 <+2086>: orl $0x1,0xc8(%rax)
0xffffffff80b03edd <+2093>: add $0xf8,%rsp

after:
0xffffffff80b03ebb <+2059>: mov 0x460(%r14),%rax
0xffffffff80b03ec2 <+2066>: mov 0x98(%rax),%rax
0xffffffff80b03ec9 <+2073>: shr $0x2f,%rax
0xffffffff80b03ecd <+2077>: jne 0xffffffff80b03eef <amd64_syscall+2111>
0xffffffff80b03ecf <+2079>: add $0xf8,%rsp
H A Dmachdep.cdiff 2059 Sat Aug 13 12:21:58 MDT 1994 dg Made the kernel compile cleanly with gcc 2.6.0. Thanks go to Bruce
Evans for suggesting a method to detect various versions of gcc.
/freebsd-11-stable/sys/sys/
H A Dcdefs.hdiff 2059 Sat Aug 13 12:21:58 MDT 1994 dg Made the kernel compile cleanly with gcc 2.6.0. Thanks go to Bruce
Evans for suggesting a method to detect various versions of gcc.
/freebsd-11-stable/sys/i386/i386/
H A Dmachdep.cdiff 2059 Sat Aug 13 12:21:58 MDT 1994 dg Made the kernel compile cleanly with gcc 2.6.0. Thanks go to Bruce
Evans for suggesting a method to detect various versions of gcc.
/freebsd-11-stable/sys/x86/x86/
H A Dcpu_machdep.cdiff 2059 Sat Aug 13 12:21:58 MDT 1994 dg Made the kernel compile cleanly with gcc 2.6.0. Thanks go to Bruce
Evans for suggesting a method to detect various versions of gcc.

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