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-rw-r--r--Documentation/s390/Debugging390.txt16
1 files changed, 8 insertions, 8 deletions
diff --git a/Documentation/s390/Debugging390.txt b/Documentation/s390/Debugging390.txt
index e506e8d333ed..2d826d84943f 100644
--- a/Documentation/s390/Debugging390.txt
+++ b/Documentation/s390/Debugging390.txt
@@ -366,8 +366,8 @@ Register Usage & Stackframes on Linux for s/390 & z/Architecture
366Overview: 366Overview:
367--------- 367---------
368This is the code that gcc produces at the top & the bottom of 368This is the code that gcc produces at the top & the bottom of
369each function, it usually is fairly consistent & similar from 369each function. It usually is fairly consistent & similar from
370function to function & if you know its layout you can probalby 370function to function & if you know its layout you can probably
371make some headway in finding the ultimate cause of a problem 371make some headway in finding the ultimate cause of a problem
372after a crash without a source level debugger. 372after a crash without a source level debugger.
373 373
@@ -1703,7 +1703,7 @@ concentrate on data processing.
1703IOP's can use one or more links ( known as channel paths ) to talk to each 1703IOP's can use one or more links ( known as channel paths ) to talk to each
1704IO device. It first checks for path availability & chooses an available one, 1704IO device. It first checks for path availability & chooses an available one,
1705then starts ( & sometimes terminates IO ). 1705then starts ( & sometimes terminates IO ).
1706There are two types of channel path ESCON & the Paralell IO interface. 1706There are two types of channel path: ESCON & the Parallel IO interface.
1707 1707
1708IO devices are attached to control units, control units provide the 1708IO devices are attached to control units, control units provide the
1709logic to interface the channel paths & channel path IO protocols to 1709logic to interface the channel paths & channel path IO protocols to
@@ -1742,11 +1742,11 @@ controllers or a control unit which connects to 1000 3270 terminals ).
1742 1742
1743The 390 IO systems come in 2 flavours the current 390 machines support both 1743The 390 IO systems come in 2 flavours the current 390 machines support both
1744 1744
1745The Older 360 & 370 Interface,sometimes called the paralell I/O interface, 1745The Older 360 & 370 Interface,sometimes called the Parallel I/O interface,
1746sometimes called Bus-and Tag & sometimes Original Equipment Manufacturers 1746sometimes called Bus-and Tag & sometimes Original Equipment Manufacturers
1747Interface (OEMI). 1747Interface (OEMI).
1748 1748
1749This byte wide paralell channel path/bus has parity & data on the "Bus" cable 1749This byte wide Parallel channel path/bus has parity & data on the "Bus" cable
1750& control lines on the "Tag" cable. These can operate in byte multiplex mode for 1750& control lines on the "Tag" cable. These can operate in byte multiplex mode for
1751sharing between several slow devices or burst mode & monopolize the channel for the 1751sharing between several slow devices or burst mode & monopolize the channel for the
1752whole burst. Upto 256 devices can be addressed on one of these cables. These cables are 1752whole burst. Upto 256 devices can be addressed on one of these cables. These cables are
@@ -1776,7 +1776,7 @@ Consoles 3270 & 3215 ( a teletype emulated under linux for a line mode console )
1776DASD's direct access storage devices ( otherwise known as hard disks ). 1776DASD's direct access storage devices ( otherwise known as hard disks ).
1777Tape Drives. 1777Tape Drives.
1778CTC ( Channel to Channel Adapters ), 1778CTC ( Channel to Channel Adapters ),
1779ESCON or Paralell Cables used as a very high speed serial link 1779ESCON or Parallel Cables used as a very high speed serial link
1780between 2 machines. We use 2 cables under linux to do a bi-directional serial link. 1780between 2 machines. We use 2 cables under linux to do a bi-directional serial link.
1781 1781
1782 1782
@@ -1802,8 +1802,8 @@ OSA 7C09 ON OSA 7C09 SUBCHANNEL = 0001
1802OSA 7C14 ON OSA 7C14 SUBCHANNEL = 0002 1802OSA 7C14 ON OSA 7C14 SUBCHANNEL = 0002
1803OSA 7C15 ON OSA 7C15 SUBCHANNEL = 0003 1803OSA 7C15 ON OSA 7C15 SUBCHANNEL = 0003
1804 1804
1805If you have a guest with certain priviliges you may be able to see devices 1805If you have a guest with certain privileges you may be able to see devices
1806which don't belong to you to avoid this do add the option V. 1806which don't belong to you. To avoid this, add the option V.
1807e.g. 1807e.g.
1808Q V OSA 1808Q V OSA
1809 1809