diff options
Diffstat (limited to 'man2/s390_guarded_storage.2')
| -rw-r--r-- | man2/s390_guarded_storage.2 | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/man2/s390_guarded_storage.2 b/man2/s390_guarded_storage.2 index 63d5c83..b2038e5 100644 --- a/man2/s390_guarded_storage.2 +++ b/man2/s390_guarded_storage.2 @@ -2,7 +2,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH s390_guarded_storage 2 2023-03-30 "Linux man-pages 6.05.01" +.TH s390_guarded_storage 2 2023-10-31 "Linux man-pages 6.7" .SH NAME s390_guarded_storage \- operations with z/Architecture guarded storage facility .SH LIBRARY @@ -14,11 +14,11 @@ Standard C library .BR "#include <sys/syscall.h> " \ "/* Definition of " SYS_* " constants */" .B #include <unistd.h> -.PP +.P .BI "int syscall(SYS_s390_guarded_storage, int " command , .BI " struct gs_cb *" gs_cb ); .fi -.PP +.P .IR Note : glibc provides no wrapper for .BR s390_guarded_storage (), @@ -29,7 +29,7 @@ The .BR s390_guarded_storage () system call enables the use of the Guarded Storage Facility (a z/Architecture-specific feature) for user-space processes. -.PP +.P .\" The description is based on .\" http://www-05.ibm.com/de/linux-on-z-ws-us/agenda/pdfs/8_-_Linux_Whats_New_-_Stefan_Raspl.pdf .\" and "z/Architecture Principles of Operation" obtained from @@ -40,7 +40,7 @@ reading a pointer with a newly introduced "Load Guarded" (LGG) or "Load Logical and Shift Guarded" (LLGFSG) instructions will cause a range check on the loaded value and invoke a (previously set up) user-space handler if one of the guarded regions is affected. -.PP +.P The .\" The command description is copied from v4.12-rc1~139^2~56^2 commit message .I command @@ -88,7 +88,7 @@ The broadcast guarded storage control block is consumed; a second broadcast without a refresh of the stored control block with .B GS_SET_BC_CB will not have any effect. -.PP +.P The .I gs_cb argument specifies the address of a guarded storage control block structure @@ -99,7 +99,7 @@ command; all other aforementioned commands ignore this argument. On success, the return value of .BR s390_guarded_storage () is 0. -.PP +.P On error, \-1 is returned, and .I errno is set to indicate the error. @@ -138,7 +138,7 @@ instructions and Guarded Storage Control Block and Guarded Storage Event Parameter List structure layouts is available in "z/Architecture Principles of Operations" beginning from the twelfth edition. -.PP +.P The .I gs_cb structure has a field @@ -153,7 +153,7 @@ field), and its layout is available as a structure type definition in the .I asm/guarded_storage.h header. -.\" .PP +.\" .P .\" For the example of using the guarded storage facility, see .\" .UR https://developer.ibm.com/javasdk/2017/09/25/concurrent-scavenge-using-guarded-storage-facility-works/ .\" the article with the description of its usage in the Java Garbage Collection |