aboutsummaryrefslogtreecommitdiffstats
path: root/docs/src/user.tex
diff options
context:
space:
mode:
Diffstat (limited to 'docs/src/user.tex')
-rw-r--r--docs/src/user.tex28
1 files changed, 24 insertions, 4 deletions
diff --git a/docs/src/user.tex b/docs/src/user.tex
index 52c2d746b2..2528861a23 100644
--- a/docs/src/user.tex
+++ b/docs/src/user.tex
@@ -3192,6 +3192,15 @@ editing \path{grub.conf}.
input to DOM0 when it boots --- if it is `x' then auto-switching is
disabled. Any other value, or omitting the character, enables
auto-switching. [NB. Default switch-char is `a'.]
+\item [ loglvl=$<$level$>/<$level$>$ ]
+ Specify logging level. Messages of the specified severity level (and
+ higher) will be printed to the Xen console. Valid levels are `none',
+ `error', `warning', `info', `debug', and `all'. The second level
+ specifier is optional: it is used to specify message severities
+ which are to be rate limited. Default is `loglvl=warning'.
+\item [ guest\_loglvl=$<$level$>/<$level$>$ ] As for loglvl, but
+ applies to messages relating to guests. Default is
+ `guest\_loglvl=none/warning'.
\item [ nmi=xxx ]
Specify what to do with an NMI parity or I/O error. \\
`nmi=fatal': Xen prints a diagnostic and then hangs. \\
@@ -3202,12 +3211,23 @@ editing \path{grub.conf}.
ignored. This parameter may be specified with a B, K, M or G suffix,
representing bytes, kilobytes, megabytes and gigabytes respectively.
The default unit, if no suffix is specified, is kilobytes.
-\item [ dom0\_mem=xxx ] Set the amount of memory to be allocated to
- domain0. In Xen 3.x the parameter may be specified with a B, K, M or
+\item [ dom0\_mem=$<$specifier list$>$ ] Set the amount of memory to
+ be allocated to domain 0. This is a comma-separated list containing
+ the following optional components:
+ \begin{description}
+ \item[ min:$<$min\_amt$>$ ] Minimum amount to allocate to domain 0
+ \item[ max:$<$min\_amt$>$ ] Maximum amount to allocate to domain 0
+ \item[ $<$amt$>$ ] Precise amount to allocate to domain 0
+ \end{description}
+ Each numeric parameter may be specified with a B, K, M or
G suffix, representing bytes, kilobytes, megabytes and gigabytes
respectively; if no suffix is specified, the parameter defaults to
- kilobytes. In previous versions of Xen, suffixes were not supported
- and the value is always interpreted as kilobytes.
+ kilobytes. Negative values are subtracted from total available
+ memory. If $<$amt$>$ is not specified, it defaults to all available
+ memory less a small amount (clamped to 128MB) for uses such as DMA
+ buffers.
+\item [ dom0\_vcpus\_pin ] Pins domain 0 VCPUs on their respective
+ physical CPUS (default=false).
\item [ tbuf\_size=xxx ] Set the size of the per-cpu trace buffers, in
pages (default 0).
\item [ sched=xxx ] Select the CPU scheduler Xen should use. The