diff options
Diffstat (limited to 'man2/arch_prctl.2')
| -rw-r--r-- | man2/arch_prctl.2 | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/man2/arch_prctl.2 b/man2/arch_prctl.2 index bbb85866c..ca730c1c8 100644 --- a/man2/arch_prctl.2 +++ b/man2/arch_prctl.2 @@ -22,7 +22,7 @@ Standard C library glibc provides no wrapper for .BR arch_prctl (), necessitating the use of -.BR syscall (2). +.MR syscall 2 . .SH DESCRIPTION .BR arch_prctl () sets architecture-specific process or thread state. @@ -63,13 +63,13 @@ hardware would have produced (e.g., in a paravirtualization setting). The .B ARCH_SET_CPUID setting is preserved across -.BR fork (2) +.MR fork 2 and -.BR clone (2) +.MR clone 2 but reset to the default (i.e., .I cpuid enabled) on -.BR execve (2). +.MR execve 2 . .TP .BR ARCH_GET_CPUID " (since Linux 4.12)" Return the setting of the flag manipulated by @@ -147,10 +147,10 @@ Context switches for 64-bit segment bases are rather expensive. As an optimization, if a 32-bit TLS base address is used, .BR arch_prctl () may use a real TLS entry as if -.BR set_thread_area (2) +.MR set_thread_area 2 had been called, instead of manipulating the segment base register directly. Memory in the first 2\ GB of address space can be allocated by using -.BR mmap (2) +.MR mmap 2 with the .B MAP_32BIT flag. @@ -158,7 +158,7 @@ flag. Because of the aforementioned optimization, using .BR arch_prctl () and -.BR set_thread_area (2) +.MR set_thread_area 2 in the same thread is dangerous, as they may overwrite each other's TLS entries. .P @@ -168,9 +168,9 @@ Programs that use .B ARCH_SET_FS directly are very likely to crash. .SH SEE ALSO -.BR mmap (2), -.BR modify_ldt (2), -.BR prctl (2), -.BR set_thread_area (2) +.MR mmap 2 , +.MR modify_ldt 2 , +.MR prctl 2 , +.MR set_thread_area 2 .P AMD X86-64 Programmer's manual |