diff options
Diffstat (limited to 'man2/kexec_load.2')
| -rw-r--r-- | man2/kexec_load.2 | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/man2/kexec_load.2 b/man2/kexec_load.2 index 604fa1c..499f6ca 100644 --- a/man2/kexec_load.2 +++ b/man2/kexec_load.2 @@ -4,7 +4,7 @@ .\" .\" SPDX-License-Identifier: Linux-man-pages-copyleft .\" -.TH kexec_load 2 2023-03-30 "Linux man-pages 6.05.01" +.TH kexec_load 2 2023-10-31 "Linux man-pages 6.7" .SH NAME kexec_load, kexec_file_load \- load a new kernel for later execution .SH LIBRARY @@ -15,7 +15,7 @@ Standard C library .BR "#include <linux/kexec.h>" " /* Definition of " KEXEC_* " constants */" .BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" .B #include <unistd.h> -.PP +.P .BI "long syscall(SYS_kexec_load, unsigned long " entry , .BI " unsigned long " nr_segments \ ", struct kexec_segment *" segments , @@ -24,7 +24,7 @@ Standard C library .BI " unsigned long " cmdline_len ", const char *" cmdline , .BI " unsigned long " flags ); .fi -.PP +.P .IR Note : glibc provides no wrappers for these system calls, necessitating the use of @@ -34,7 +34,7 @@ The .BR kexec_load () system call loads a new kernel that can be executed later by .BR reboot (2). -.PP +.P The .I flags argument is a bit mask that controls the operation of the call. @@ -66,7 +66,7 @@ This flag is available only if the kernel was configured with and is effective only if .I nr_segments is greater than 0. -.PP +.P The high-order bits (corresponding to the mask 0xffff0000) of .I flags contain the architecture of the to-be-executed kernel. @@ -87,7 +87,7 @@ or one of the following architecture constants and .BR KEXEC_ARCH_MIPS_LE . The architecture must be executable on the CPU of the system. -.PP +.P The .I entry argument is the physical entry address in the kernel image. @@ -102,7 +102,7 @@ The argument is an array of .I kexec_segment structures which define the kernel layout: -.PP +.P .in +4n .EX struct kexec_segment { @@ -113,7 +113,7 @@ struct kexec_segment { }; .EE .in -.PP +.P The kernel image defined by .I segments is copied from the calling process into @@ -154,7 +154,7 @@ If is less than .IR memsz , then the excess bytes in the kernel buffer are zeroed out. -.PP +.P In case of a normal kexec (i.e., the .B KEXEC_ON_CRASH flag is not set), the segment data is loaded in any available memory @@ -163,13 +163,13 @@ and is moved to the final destination at kexec reboot time (e.g., when the command is executed with the .I \-e option). -.PP +.P In case of kexec on panic (i.e., the .B KEXEC_ON_CRASH flag is set), the segment data is loaded to reserved memory at the time of the call, and, after a crash, the kexec mechanism simply passes control to that kernel. -.PP +.P The .BR kexec_load () system call is available only if the kernel was configured with @@ -194,7 +194,7 @@ The .I cmdline_len argument specifies size of the buffer. The last byte in the buffer must be a null byte (\[aq]\e0\[aq]). -.PP +.P The .I flags argument is a bit mask which modifies the behavior of the call. @@ -216,7 +216,7 @@ Specify this flag if no initramfs is being loaded. If this flag is set, the value passed in .I initrd_fd is ignored. -.PP +.P The .BR kexec_file_load () .\" See also http://lwn.net/Articles/603116/ @@ -324,7 +324,7 @@ Linux 3.17. .BR reboot (2), .BR syscall (2), .BR kexec (8) -.PP +.P The kernel source files .I Documentation/kdump/kdump.txt and |