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2012-09-29efi: Defer freeing boot services memory until after ACPI initJosh Triplett1-0/+3
Some new ACPI 5.0 tables reference resources stored in boot services memory, so keep that memory around until we have ACPI and can extract data from it. Signed-off-by: Josh Triplett <josh@joshtriplett.org> Link: http://lkml.kernel.org/r/baaa6d44bdc4eb0c58e5d1b4ccd2c729f854ac55.1348876882.git.josh@joshtriplett.org Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-09-26rcu: Userspace RCU extended QS selftestFrederic Weisbecker1-0/+8
Provide a config option that enables the userspace RCU extended quiescent state on every CPUs by default. This is for testing purpose. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Alessio Igor Bogani <abogani@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Avi Kivity <avi@redhat.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Christoph Lameter <cl@linux.com> Cc: Geoff Levand <geoff@infradead.org> Cc: Gilad Ben Yossef <gilad@benyossef.com> Cc: Hakan Akkan <hakanakkan@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Kevin Hilman <khilman@ti.com> Cc: Max Krasnyansky <maxk@qualcomm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sven-Thorsten Dietrich <thebigcorporation@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2012-09-26rcu: Settle config for userspace extended quiescent stateFrederic Weisbecker1-0/+10
Create a new config option under the RCU menu that put CPUs under RCU extended quiescent state (as in dynticks idle mode) when they run in userspace. This require some contribution from architectures to hook into kernel and userspace boundaries. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Alessio Igor Bogani <abogani@kernel.org> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Avi Kivity <avi@redhat.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Christoph Lameter <cl@linux.com> Cc: Geoff Levand <geoff@infradead.org> Cc: Gilad Ben Yossef <gilad@benyossef.com> Cc: Hakan Akkan <hakanakkan@gmail.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Josh Triplett <josh@joshtriplett.org> Cc: Kevin Hilman <khilman@ti.com> Cc: Max Krasnyansky <maxk@qualcomm.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephen Hemminger <shemminger@vyatta.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Sven-Thorsten Dietrich <thebigcorporation@gmail.com> Cc: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by: Josh Triplett <josh@joshtriplett.org>
2012-09-25cputime: Make finegrained irqtime accounting generally availableFrederic Weisbecker1-1/+29
There is no known reason for this option to be unavailable on other archs than x86. They just need to call enable_sched_clock_irqtime() if they have a sufficiently finegrained clock to make it working. Move it to the general option and let the user choose between it and pure tick based or virtual cputime accounting. Note that virtual cputime accounting already performs a finegrained irqtime accounting. CONFIG_IRQ_TIME_ACCOUNTING is a kind of middle ground between tick and virtual based accounting. So CONFIG_IRQ_TIME_ACCOUNTING and CONFIG_VIRT_CPU_ACCOUNTING are mutually exclusive choices. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
2012-09-25cputime: Gather time/stats accounting config options into a single menuFrederic Weisbecker1-56/+60
This debloats a bit the general config menu and make these config options easier to find. Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Fenghua Yu <fenghua.yu@intel.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Peter Zijlstra <peterz@infradead.org>
2012-09-21userns: Convert the ufs filesystem to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Evgeniy Dushistov <dushistov@mail.ru> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the udf filesystem to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Jan Kara <jack@suse.cz> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ubifs to use kuid/kgidEric W. Biederman1-1/+0
Cc: Artem Bityutskiy <dedekind1@gmail.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert squashfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Phillip Lougher <phillip@squashfs.org.uk> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert reiserfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Cc: reiserfs-devel@vger.kernel.org Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert jfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Dave Kleikamp <shaggy@kernel.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert jffs2 to use kuid and kgid where appropriateEric W. Biederman1-1/+0
- General routine uid/gid conversion work - When storing posix acls treat ACL_USER and ACL_GROUP separately so I can call from_kuid or from_kgid as appropriate. - When reading posix acls treat ACL_USER and ACL_GROUP separately so I can call make_kuid or make_kgid as appropriate. Cc: David Woodhouse <dwmw2@infradead.org> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hpfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Cc: Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert btrfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Chris Mason <chris.mason@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert bfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: "Tigran A. Aivazian" <tigran@aivazian.fsnet.co.uk> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert affs to use kuid/kgid wherwe appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert binder ipc to use kuidsEric W. Biederman1-3/+0
Cc: Arve Hjønnevåg <arve@android.com> Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Add user namespace support to IMAEric W. Biederman1-4/+0
Use kuid's in the IMA rules. When reporting the current uid in audit logs use from_kuid to get a usable value. Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert EVM to deal with kuids and kgids in it's hmac computationEric W. Biederman1-1/+0
Cc: Mimi Zohar <zohar@us.ibm.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hostfs to use kuid and kgid where appropriateEric W. Biederman1-2/+0
Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert tomoyo to use kuid and kgid where appropriateEric W. Biederman1-3/+0
Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert apparmor to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Cc: John Johansen <john.johansen@canonical.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert loop to use kuid_t instead of uid_tEric W. Biederman1-1/+0
Cc: Jens Axboe <jaxboe@fusionio.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ipathfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman1-1/+0
Acked-by: Mike Marciniszyn <mike.marciniszyn@intel.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert freevxfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the sysv filesystem to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Christoph Hellwig <hch@infradead.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the qnx6 filesystem to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Kai Bankett <chaosman@ontika.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert the qnx4 filesystem to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Anders Larsen <al@alarsen.net> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert omfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Bob Copeland <me@bobcopeland.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ntfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Cc: Anton Altaparmakov <anton@tuxera.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert nillfs2 to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Ryusuke Konishi <konishi.ryusuke@lab.ntt.co.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert minix to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert logfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Joern Engel <joern@logfs.org> Cc: Prasad Joshi <prasadjoshi.linux@gmail.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert isofs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hfsplus to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert exofs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Benny Halevy <bhalevy@tonian.com> Acked-by: Boaz Harrosh <bharrosh@panasas.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert efs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert ecryptfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Cc: Tyler Hicks <tyhicks@canonical.com> Cc: Dustin Kirkland <dustin.kirkland@gazzang.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert cramfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert befs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert adfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert xenfs to use kuid and kgid where appropriateEric W. Biederman1-2/+0
Cc: Ian Campbell <ian.campbell@citrix.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert hugetlbfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Note sysctl_hugetlb_shm_group can only be written in the root user in the initial user namespace, so we can assume sysctl_hugetlb_shm_group is in the initial user namespace. Cc: William Irwin <wli@holomorphy.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert devtmpfs to use GLOBAL_ROOT_UID and GLOBAL_ROOT_GIDEric W. Biederman1-1/+0
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert usb functionfs to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-21userns: Convert gadgetfs to use kuid and kgid where appropriateEric W. Biederman1-1/+0
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Acked-by: Felipe Balbi <balbi@ti.com> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-20userns: Convert fat to use kuid/kgid where appropriateEric W. Biederman1-1/+0
Acked-by: OGAWA Hirofumi <hirofumi@mail.parknet.co.jp> Acked-by: Serge Hallyn <serge.hallyn@canonical.com> Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
2012-09-18userns: Convert quotaEric W. Biederman1-1/+0
Now that the type changes are done, here is the final set of changes to make the quota code work when user namespaces are enabled. Small cleanups and fixes to make the code build when user namespaces are enabled. Cc: Jan Kara <jack@suse.cz> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
2012-09-18userns: Convert quota netlink aka quota_send_warningEric W. Biederman1-1/+0
Modify quota_send_warning to take struct kqid instead a type and identifier pair. When sending netlink broadcasts always convert uids and quota identifiers into the intial user namespace. There is as yet no way to send a netlink broadcast message with different contents to receivers in different namespaces, so for the time being just map all of the identifiers into the initial user namespace which preserves the current behavior. Change the callers of quota_send_warning in gfs2, xfs and dquot to generate a struct kqid to pass to quota send warning. When all of the user namespaces convesions are complete a struct kqid values will be availbe without need for conversion, but a conversion is needed now to avoid needing to convert everything at once. Cc: Ben Myers <bpm@sgi.com> Cc: Alex Elder <elder@kernel.org> Cc: Dave Chinner <david@fromorbit.com> Cc: Jan Kara <jack@suse.cz> Cc: Steven Whitehouse <swhiteho@redhat.com> Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
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