'\" t
.\"     Title: might_sleep
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.78.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Driver Basics
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "MIGHT_SLEEP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Driver Basics"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
might_sleep \- annotation for functions that can sleep
.SH "SYNOPSIS"
.HP \w'might_sleep('u
.BI "might_sleep(void);"
.SH "ARGUMENTS"
.PP
None
.SH "DESCRIPTION"
.PP
.PP
this macro will print a stack trace if it is executed in an atomic context (spinlock, irq\-handler, \&.\&.\&.)\&.
.PP
This is a useful debugging help to be able to catch problems early and not be bitten later when the calling function happens to sleep when it is not supposed to\&.
.SH "COPYRIGHT"
.br