Loading .gitignore +10 −2 Original line number Original line Diff line number Diff line Loading @@ -3,6 +3,10 @@ # subdirectories here. Add them in the ".gitignore" file # subdirectories here. Add them in the ".gitignore" file # in that subdirectory instead. # in that subdirectory instead. # # # NOTE! Please use 'git-ls-files -i --exclude-standard' # command after changing this file, to see if there are # any tracked files which get ignored after the change. # # Normal rules # Normal rules # # .* .* Loading @@ -18,18 +22,21 @@ *.lst *.lst *.symtypes *.symtypes *.order *.order *.elf *.bin *.gz # # # Top-level generic files # Top-level generic files # # tags tags TAGS TAGS vmlinux* vmlinux !vmlinux.lds.S System.map System.map Module.markers Module.markers Module.symvers Module.symvers !.gitignore !.gitignore !.mailmap # # # Generated include files # Generated include files Loading @@ -52,6 +59,7 @@ series # cscope files # cscope files cscope.* cscope.* ncscope.* *.orig *.orig *~ *~ Loading CREDITS +3 −2 Original line number Original line Diff line number Diff line Loading @@ -2611,8 +2611,9 @@ S: Perth, Western Australia S: Australia S: Australia N: Miguel Ojeda Sandonis N: Miguel Ojeda Sandonis E: maxextreme@gmail.com E: miguel.ojeda.sandonis@gmail.com W: http://maxextreme.googlepages.com/ W: http://miguelojeda.es W: http://jair.lab.fi.uva.es/~migojed/ D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) S: C/ Mieses 20, 9-B S: C/ Mieses 20, 9-B Loading Documentation/ABI/testing/sysfs-class-bdi +4 −0 Original line number Original line Diff line number Diff line Loading @@ -14,6 +14,10 @@ MAJOR:MINOR non-block filesystems which provide their own BDI, such as NFS non-block filesystems which provide their own BDI, such as NFS and FUSE. and FUSE. MAJOR:MINOR-fuseblk Value of st_dev on fuseblk filesystems. default default The default backing dev, used for non-block device backed The default backing dev, used for non-block device backed Loading Documentation/DocBook/kernel-locking.tmpl +25 −0 Original line number Original line Diff line number Diff line Loading @@ -703,6 +703,31 @@ </sect1> </sect1> </chapter> </chapter> <chapter id="trylock-functions"> <title>The trylock Functions</title> <para> There are functions that try to acquire a lock only once and immediately return a value telling about success or failure to acquire the lock. They can be used if you need no access to the data protected with the lock when some other thread is holding the lock. You should acquire the lock later if you then need access to the data protected with the lock. </para> <para> <function>spin_trylock()</function> does not spin but returns non-zero if it acquires the spinlock on the first try or 0 if not. This function can be used in all contexts like <function>spin_lock</function>: you must have disabled the contexts that might interrupt you and acquire the spin lock. </para> <para> <function>mutex_trylock()</function> does not suspend your task but returns non-zero if it could lock the mutex on the first try or 0 if not. This function cannot be safely used in hardware or software interrupt contexts despite not sleeping. </para> </chapter> <chapter id="Examples"> <chapter id="Examples"> <title>Common Examples</title> <title>Common Examples</title> <para> <para> Loading Documentation/DocBook/kgdb.tmpl +6 −14 Original line number Original line Diff line number Diff line Loading @@ -84,10 +84,9 @@ runs an instance of gdb against the vmlinux file which contains runs an instance of gdb against the vmlinux file which contains the symbols (not boot image such as bzImage, zImage, uImage...). the symbols (not boot image such as bzImage, zImage, uImage...). In gdb the developer specifies the connection parameters and In gdb the developer specifies the connection parameters and connects to kgdb. Depending on which kgdb I/O modules exist in connects to kgdb. The type of connection a developer makes with the kernel for a given architecture, it may be possible to debug gdb depends on the availability of kgdb I/O modules compiled as the test machine's kernel with the development machine using a builtin's or kernel modules in the test machine's kernel. rs232 or ethernet connection. </para> </para> </chapter> </chapter> <chapter id="CompilingAKernel"> <chapter id="CompilingAKernel"> Loading Loading @@ -223,7 +222,7 @@ </para> </para> <para> <para> IMPORTANT NOTE: Using this option with kgdb over the console IMPORTANT NOTE: Using this option with kgdb over the console (kgdboc) or kgdb over ethernet (kgdboe) is not supported. (kgdboc) is not supported. </para> </para> </sect1> </sect1> </chapter> </chapter> Loading @@ -249,18 +248,11 @@ (gdb) target remote /dev/ttyS0 (gdb) target remote /dev/ttyS0 </programlisting> </programlisting> <para> <para> Example (kgdb to a terminal server): Example (kgdb to a terminal server on tcp port 2012): </para> </para> <programlisting> <programlisting> % gdb ./vmlinux % gdb ./vmlinux (gdb) target remote udp:192.168.2.2:6443 (gdb) target remote 192.168.2.2:2012 </programlisting> <para> Example (kgdb over ethernet): </para> <programlisting> % gdb ./vmlinux (gdb) target remote udp:192.168.2.2:6443 </programlisting> </programlisting> <para> <para> Once connected, you can debug a kernel the way you would debug an Once connected, you can debug a kernel the way you would debug an Loading Loading
.gitignore +10 −2 Original line number Original line Diff line number Diff line Loading @@ -3,6 +3,10 @@ # subdirectories here. Add them in the ".gitignore" file # subdirectories here. Add them in the ".gitignore" file # in that subdirectory instead. # in that subdirectory instead. # # # NOTE! Please use 'git-ls-files -i --exclude-standard' # command after changing this file, to see if there are # any tracked files which get ignored after the change. # # Normal rules # Normal rules # # .* .* Loading @@ -18,18 +22,21 @@ *.lst *.lst *.symtypes *.symtypes *.order *.order *.elf *.bin *.gz # # # Top-level generic files # Top-level generic files # # tags tags TAGS TAGS vmlinux* vmlinux !vmlinux.lds.S System.map System.map Module.markers Module.markers Module.symvers Module.symvers !.gitignore !.gitignore !.mailmap # # # Generated include files # Generated include files Loading @@ -52,6 +59,7 @@ series # cscope files # cscope files cscope.* cscope.* ncscope.* *.orig *.orig *~ *~ Loading
CREDITS +3 −2 Original line number Original line Diff line number Diff line Loading @@ -2611,8 +2611,9 @@ S: Perth, Western Australia S: Australia S: Australia N: Miguel Ojeda Sandonis N: Miguel Ojeda Sandonis E: maxextreme@gmail.com E: miguel.ojeda.sandonis@gmail.com W: http://maxextreme.googlepages.com/ W: http://miguelojeda.es W: http://jair.lab.fi.uva.es/~migojed/ D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. D: Author of the ks0108, cfag12864b and cfag12864bfb auxiliary display drivers. D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) D: Maintainer of the auxiliary display drivers tree (drivers/auxdisplay/*) S: C/ Mieses 20, 9-B S: C/ Mieses 20, 9-B Loading
Documentation/ABI/testing/sysfs-class-bdi +4 −0 Original line number Original line Diff line number Diff line Loading @@ -14,6 +14,10 @@ MAJOR:MINOR non-block filesystems which provide their own BDI, such as NFS non-block filesystems which provide their own BDI, such as NFS and FUSE. and FUSE. MAJOR:MINOR-fuseblk Value of st_dev on fuseblk filesystems. default default The default backing dev, used for non-block device backed The default backing dev, used for non-block device backed Loading
Documentation/DocBook/kernel-locking.tmpl +25 −0 Original line number Original line Diff line number Diff line Loading @@ -703,6 +703,31 @@ </sect1> </sect1> </chapter> </chapter> <chapter id="trylock-functions"> <title>The trylock Functions</title> <para> There are functions that try to acquire a lock only once and immediately return a value telling about success or failure to acquire the lock. They can be used if you need no access to the data protected with the lock when some other thread is holding the lock. You should acquire the lock later if you then need access to the data protected with the lock. </para> <para> <function>spin_trylock()</function> does not spin but returns non-zero if it acquires the spinlock on the first try or 0 if not. This function can be used in all contexts like <function>spin_lock</function>: you must have disabled the contexts that might interrupt you and acquire the spin lock. </para> <para> <function>mutex_trylock()</function> does not suspend your task but returns non-zero if it could lock the mutex on the first try or 0 if not. This function cannot be safely used in hardware or software interrupt contexts despite not sleeping. </para> </chapter> <chapter id="Examples"> <chapter id="Examples"> <title>Common Examples</title> <title>Common Examples</title> <para> <para> Loading
Documentation/DocBook/kgdb.tmpl +6 −14 Original line number Original line Diff line number Diff line Loading @@ -84,10 +84,9 @@ runs an instance of gdb against the vmlinux file which contains runs an instance of gdb against the vmlinux file which contains the symbols (not boot image such as bzImage, zImage, uImage...). the symbols (not boot image such as bzImage, zImage, uImage...). In gdb the developer specifies the connection parameters and In gdb the developer specifies the connection parameters and connects to kgdb. Depending on which kgdb I/O modules exist in connects to kgdb. The type of connection a developer makes with the kernel for a given architecture, it may be possible to debug gdb depends on the availability of kgdb I/O modules compiled as the test machine's kernel with the development machine using a builtin's or kernel modules in the test machine's kernel. rs232 or ethernet connection. </para> </para> </chapter> </chapter> <chapter id="CompilingAKernel"> <chapter id="CompilingAKernel"> Loading Loading @@ -223,7 +222,7 @@ </para> </para> <para> <para> IMPORTANT NOTE: Using this option with kgdb over the console IMPORTANT NOTE: Using this option with kgdb over the console (kgdboc) or kgdb over ethernet (kgdboe) is not supported. (kgdboc) is not supported. </para> </para> </sect1> </sect1> </chapter> </chapter> Loading @@ -249,18 +248,11 @@ (gdb) target remote /dev/ttyS0 (gdb) target remote /dev/ttyS0 </programlisting> </programlisting> <para> <para> Example (kgdb to a terminal server): Example (kgdb to a terminal server on tcp port 2012): </para> </para> <programlisting> <programlisting> % gdb ./vmlinux % gdb ./vmlinux (gdb) target remote udp:192.168.2.2:6443 (gdb) target remote 192.168.2.2:2012 </programlisting> <para> Example (kgdb over ethernet): </para> <programlisting> % gdb ./vmlinux (gdb) target remote udp:192.168.2.2:6443 </programlisting> </programlisting> <para> <para> Once connected, you can debug a kernel the way you would debug an Once connected, you can debug a kernel the way you would debug an Loading