/*
 * Copyright 2016, Michael Ellerman, IBM Corp.
 * Licensed under GPLv2.
 */

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h>

#include <asm/cputable.h>

#include "utils.h"

#define SIZE (64 * 1024)

int test_prot_sao(void)
{
	char *p;

	/* 2.06 or later should support SAO */
	SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));

	/*
	 * Ensure we can ask for PROT_SAO.
	 * We can't really verify that it does the right thing, but at least we
	 * confirm the kernel will accept it.
	 */
	p = mmap(NULL, SIZE, PROT_READ | PROT_WRITE | PROT_SAO,
		 MAP_ANONYMOUS | MAP_PRIVATE, -1, 0);
	FAIL_IF(p == MAP_FAILED);

	/* Write to the mapping, to at least cause a fault */
	memset(p, 0xaa, SIZE);

	return 0;
}

int main(void)
{
	return test_harness(test_prot_sao, "prot-sao");
}
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<div class='path'>path: <a href='/cgit.cgi/linux/net-next.git/commit/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>root</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>drivers</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>usb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>musb</a>/<a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>da8xx.c</a></div><div class='content'><div class='cgit-panel'><b>diff options</b><form method='get'><input type='hidden' name='id' value='3d88460dbd285e7f32437b530d5bb7cb916142fa'/><table><tr><td colspan='2'/></tr><tr><td class='label'>context:</td><td class='ctrl'><select name='context' onchange='this.form.submit();'><option value='1'>1</option><option value='2'>2</option><option value='3' selected='selected'>3</option><option value='4'>4</option><option value='5'>5</option><option value='6'>6</option><option value='7'>7</option><option value='8'>8</option><option value='9'>9</option><option value='10'>10</option><option value='15'>15</option><option value='20'>20</option><option value='25'>25</option><option value='30'>30</option><option value='35'>35</option><option value='40'>40</option></select></td></tr><tr><td class='label'>space:</td><td class='ctrl'><select name='ignorews' onchange='this.form.submit();'><option value='0' selected='selected'>include</option><option value='1'>ignore</option></select></td></tr><tr><td class='label'>mode:</td><td class='ctrl'><select name='dt' onchange='this.form.submit();'><option value='0' selected='selected'>unified</option><option value='1'>ssdiff</option><option value='2'>stat only</option></select></td></tr><tr><td/><td class='ctrl'><noscript><input type='submit' value='reload'/></noscript></td></tr></table></form></div><table summary='commit info' class='commit-info'>
<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-09 17:46:30 -0800</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2017-02-09 17:46:30 -0800</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>3d88460dbd285e7f32437b530d5bb7cb916142fa</a> (<a href='/cgit.cgi/linux/net-next.git/patch/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>patch</a>)</td></tr>
<tr><th>tree</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/tree/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>3cc4f479bb3813bb4804f5ed4d52a493003c9fa5</a> /<a href='/cgit.cgi/linux/net-next.git/tree/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>drivers/usb/musb/da8xx.c</a></td></tr>
<tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/da8xx.c?id=55aac6ef53e114c28170ee3f79065cfa8ca9cf3f'>55aac6ef53e114c28170ee3f79065cfa8ca9cf3f</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa&amp;id2=55aac6ef53e114c28170ee3f79065cfa8ca9cf3f'>diff</a>)</td></tr><tr><th>parent</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/drivers/usb/musb/da8xx.c?id=697d3a21615672b2bf7724a65755799260325dda'>697d3a21615672b2bf7724a65755799260325dda</a> (<a href='/cgit.cgi/linux/net-next.git/diff/drivers/usb/musb/da8xx.c?id=3d88460dbd285e7f32437b530d5bb7cb916142fa&amp;id2=697d3a21615672b2bf7724a65755799260325dda'>diff</a>)</td></tr></table>
<div class='commit-subject'>Merge tag 'drm-fixes-for-v4.10-rc8' of git://people.freedesktop.org/~airlied/linux</div><div class='commit-msg'>Pull drm fixes from Dave Airlie:
 "This should be the final set of drm fixes for 4.10: one vmwgfx boot
  fix, one vc4 fix, and a few i915 fixes:

* tag 'drm-fixes-for-v4.10-rc8' of git://people.freedesktop.org/~airlied/linux:
  drm: vc4: adapt to new behaviour of drm_crtc.c
  drm/i915: Always convert incoming exec offsets to non-canonical
  drm/i915: Remove overzealous fence warn on runtime suspend
  drm/i915/bxt: Add MST support when do DPLL calculation
  drm/i915: don't warn about Skylake CPU - KabyPoint PCH combo
  drm/i915: fix i915 running as dom0 under Xen
  drm/i915: Flush untouched framebuffers before display on !llc
  drm/i915: fix use-after-free in page_flip_completed()
  drm/vmwgfx: Fix depth input into drm_mode_legacy_fb_format
</div><div class='diffstat-header'><a href='/cgit.cgi/linux/net-next.git/diff/?id=3d88460dbd285e7f32437b530d5bb7cb916142fa'>Diffstat</a> (limited to 'drivers/usb/musb/da8xx.c')</div><table summary='diffstat' class='diffstat'>