- 30 10月, 2011 13 次提交
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由 Martin Schwidefsky 提交于
The user space program can change its addressing mode between the 24-bit, 31-bit and the 64-bit mode if the kernel is 64 bit. Currently the kernel always forces the standard amode on signal delivery and signal return and on ptrace: 64-bit for a 64-bit process, 31-bit for a compat process and 31-bit kernels. Change the signal and ptrace code to allow the full range of addressing modes. Signal handlers are run in the standard addressing mode for the process. One caveat is that even an 31-bit compat process can switch to the 64-bit mode. The next signal will switch back into the 31-bit mode and there is no room in the 31-bit compat signal frame to store the information that the program came from the 64-bit mode. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Split out addressing mode bits from PSW_BASE_BITS, rename PSW_BASE_BITS to PSW_MASK_BASE, get rid of psw_user32_bits, remove unused function enabled_wait(), introduce PSW_MASK_USER, and drop PSW_MASK_MERGE macros. Change psw_kernel_bits / psw_user_bits to contain only the bits that are always set in the respective mode. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Add an explicit TIF_SYSCALL bit that indicates if a task is inside a system call. The svc_code in the pt_regs structure is now only valid if TIF_SYSCALL is set. With this definition TIF_RESTART_SVC can be replaced with TIF_SYSCALL. Overall do_signal is a bit more readable and it saves a few lines of code. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
An instruction with an address right below the adress limit for the current addressing mode will wrap. The instruction restart logic in the protection fault handler and the signal code need to follow the wrapping rules to find the correct instruction address. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
For a ERESTARTNOHAND/ERESTARTSYS/ERESTARTNOINTR restarting system call do_signal will prepare the restart of the system call with a rewind of the PSW before calling get_signal_to_deliver (where the debugger might take control). For A ERESTART_RESTARTBLOCK restarting system call do_signal will set -EINTR as return code. There are two issues with this approach: 1) strace never sees ERESTARTNOHAND, ERESTARTSYS, ERESTARTNOINTR or ERESTART_RESTARTBLOCK as the rewinding already took place or the return code has been changed to -EINTR 2) if get_signal_to_deliver does not return with a signal to deliver the restart via the repeat of the svc instruction is left in place. This opens a race if another signal is made pending before the system call instruction can be reexecuted. The original system call will be restarted even if the second signal would have ended the system call with -EINTR. These two issues can be solved by dropping the early rewind of the system call before get_signal_to_deliver has been called and by using the TIF_RESTART_SVC magic to do the restart if no signal has to be delivered. The only situation where the system call restart via the repeat of the svc instruction is appropriate is when a SA_RESTART signal is delivered to user space. Unfortunately this breaks inferior calls by the debugger again. The system call number and the length of the system call instruction is lost over the inferior call and user space will see ERESTARTNOHAND/ ERESTARTSYS/ERESTARTNOINTR/ERESTART_RESTARTBLOCK. To correct this a new ptrace interface is added to save/restore the system call number and system call instruction length. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Remove the save_area_64 field from the 0xe00 - 0xf00 area in the lowcore. Use a free slot in the save_area array instead. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Michael Holzheu 提交于
This patch implements the crash_map_pages() function for s390. KEXEC_CRASH_MEM_ALIGN is set to HPAGE_SIZE, in order to support kernel mappings that use large pages. We also use HPAGE_SIZE alignment for CONFIG_HUGETLB_PAGE=n in order to have the same 1 MiB alignment on all s390 systems. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Michael Holzheu 提交于
This patch defines for s390 an ABI defined pointer to the vmcoreinfo note at a well known address. With this patch tools are able to find this information in dumps created by stand-alone or hypervisor dump tools. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Michael Holzheu 提交于
This patch provides the architecture specific part of the s390 kdump support. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Michael Holzheu 提交于
Add access function for real memory needed by s390 kdump backend. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Michael Holzheu 提交于
PSW restart can be triggered on offline CPUs. If this happens, currently the PSW restart code fails, because functions like smp_processor_id() do not work on offline CPUs. This patch fixes this as follows: If PSW restart is triggered on an offline CPU, the PSW restart (sigp restart) is done a second time on another CPU that is online and the old CPU is stopped afterwards. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Tejun Heo 提交于
_TIF_SINGLE_STEP is incorrectly defined as 1<<TIF_FREEZE. Fix it. Signed-off-by: NTejun Heo <tj@kernel.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Peter Oberparleiter 提交于
Current IRQ statistics support does not show detail counts for I/O interrupts which are processed internally only. The result is a summation count which is way off such as this one: CPU0 CPU1 CPU2 I/O: 1331 710 442 [...] QAI: 15 16 16 [I/O] QDIO Adapter Interrupt QDI: 1 0 0 [I/O] QDIO Interrupt DAS: 706 645 381 [I/O] DASD C15: 26 10 0 [I/O] 3215 C70: 0 0 0 [I/O] 3270 TAP: 0 0 0 [I/O] Tape VMR: 0 0 0 [I/O] Unit Record Devices LCS: 0 0 0 [I/O] LCS CLW: 0 0 0 [I/O] CLAW CTC: 0 0 0 [I/O] CTC APB: 0 0 0 [I/O] AP Bus Fix this by moving I/O interrupt accounting into the common I/O layer. Signed-off-by: NPeter Oberparleiter <peter.oberparleiter@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 28 10月, 2011 1 次提交
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由 Eric W. Biederman 提交于
This was found by inspection while tracking a similar bug in compat_statfs64, that has been fixed in mainline since decemeber. - This fixes a bug where not all of the f_spare fields were cleared on mips and s390. - Add the f_flags field to struct compat_statfs - Copy f_flags to userspace in case someone cares. - Use __clear_user to copy the f_spare field to userspace to ensure that all of the elements of f_spare are cleared. On some architectures f_spare is has 5 ints and on some architectures f_spare only has 4 ints. Which makes the previous technique of clearing each int individually broken. I don't expect anyone actually uses the old statfs system call anymore but if they do let them benefit from having the compat and the native version working the same. Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NChristoph Hellwig <hch@lst.de>
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- 26 9月, 2011 1 次提交
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由 Martin Schwidefsky 提交于
Analog to git commit 59e4c3a2 do not clear the additional personality flags on exec. We need to inherit the personality bits in PER_MASK across exec. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 20 9月, 2011 1 次提交
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由 Christian Borntraeger 提交于
598841ca ([S390] use gmap address spaces for kvm guest images) changed kvm to use a separate address space for kvm guests. This address space was switched in __vcpu_run In some cases (preemption, page fault) there is the possibility that this address space switch is lost. The typical symptom was a huge amount of validity intercepts or random guest addressing exceptions. Fix this by doing the switch in sie_loop and sie_exit and saving the address space in the gmap structure itself. Also use the preempt notifier. Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Acked-by: NAvi Kivity <avi@redhat.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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- 27 8月, 2011 1 次提交
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由 Swen Schillig 提交于
FICON Express8S supports hardware data router, which requires an adapted qdio request format. This part 1/2 provides the qdio base required for exploitation in zfcp. Signed-off-by: NSwen Schillig <swen@vnet.ibm.com> Signed-off-by: NSteffen Maier <maier@linux.vnet.ibm.com> Signed-off-by: NJames Bottomley <JBottomley@Parallels.com>
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- 13 8月, 2011 2 次提交
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This patch ensures that signal adapter commands are issued if they are indicated to be required. Signed-off-by: NEinar Lueck <elelueck@de.ibm.com> Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: NFrank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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This patch introduces support for asynchronous delivery of storage blocks for Hipersockets. Upper layers may exploit this functionality to reuse SBALs for which the delivery status is still pending. Signed-off-by: NEinar Lueck <elelueck@de.ibm.com> Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: NFrank Blaschka <frank.blaschka@de.ibm.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 03 8月, 2011 3 次提交
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由 Mathias Krause 提交于
The address limit is already set in flush_old_exec() so those calls to set_fs(USER_DS) are redundant. Signed-off-by: NMathias Krause <minipli@googlemail.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Michael Holzheu 提交于
The diagnose 308 call is the prefered method for clearing all ongoing I/O. Therefore if it is available we use it instead of doing a manual reset. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Michael Holzheu 提交于
With this patch a new S390 shutdown trigger "restart" is added. If under z/VM "systerm restart" is entered or under the HMC the "PSW restart" button is pressed, the PSW located at 0 (31 bit) or 0x1a0 (64 bit) bit is loaded. Now we execute do_restart() that processes the restart action that is defined under /sys/firmware/shutdown_actions/on_restart. Currently the following actions are possible: reipl (default), stop, vmcmd, dump, and dump_reipl. Signed-off-by: NMichael Holzheu <holzheu@linux.vnet.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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- 27 7月, 2011 5 次提交
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由 Arun Sharma 提交于
After changing all consumers of atomics to include <linux/atomic.h>, we ran into some compile time errors due to this dependency chain: linux/atomic.h -> asm/atomic.h -> asm-generic/atomic-long.h where atomic-long.h could use funcs defined later in linux/atomic.h without a prototype. This patches moves the code that includes asm-generic/atomic*.h to linux/atomic.h. Archs that need <asm-generic/atomic64.h> need to select CONFIG_GENERIC_ATOMIC64 from now on (some of them used to include it unconditionally). Compile tested on i386 and x86_64 with allnoconfig. Signed-off-by: NArun Sharma <asharma@fb.com> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
This is in preparation for more generic atomic primitives based on __atomic_add_unless. Signed-off-by: NArun Sharma <asharma@fb.com> Signed-off-by: NHans-Christian Egtvedt <hans-christian.egtvedt@atmel.com> Reviewed-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Arun Sharma 提交于
This allows us to move duplicated code in <asm/atomic.h> (atomic_inc_not_zero() for now) to <linux/atomic.h> Signed-off-by: NArun Sharma <asharma@fb.com> Reviewed-by: NEric Dumazet <eric.dumazet@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: David Miller <davem@davemloft.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Acked-by: NMike Frysinger <vapier@gentoo.org> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Akinobu Mita 提交于
The majority of architectures implement ext2 atomic bitops as test_and_{set,clear}_bit() without spinlock. This adds this type of generic implementation in ext2-atomic-setbit.h and use it wherever possible. Signed-off-by: NAkinobu Mita <akinobu.mita@gmail.com> Suggested-by: NAndreas Dilger <adilger@dilger.ca> Suggested-by: NArnd Bergmann <arnd@arndb.de> Acked-by: NArnd Bergmann <arnd@arndb.de> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 Mike Frysinger 提交于
[ poleg@redhat.com: no need to declare show_regs() in ptrace.h, sched.h does this ] Signed-off-by: NMike Frysinger <vapier@gentoo.org> Cc: Tejun Heo <tj@kernel.org> Signed-off-by: NOleg Nesterov <oleg@redhat.com> Signed-off-by: NAndrew Morton <akpm@linux-foundation.org> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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- 24 7月, 2011 8 次提交
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由 Christian Ehrhardt 提交于
SIGP emerg needs to pass the source vpu adress into __LC_CPU_ADDRESS of the target guest. Signed-off-by: NChristian Ehrhardt <ehrhardt@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Carsten Otte 提交于
This patch removes kvm-s390 internal assumption of a linear mapping of guest address space to user space. Previously, guest memory was translated to user addresses using a fixed offset (gmsor). The new code uses gmap_fault to resolve guest addresses. Signed-off-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Carsten Otte 提交于
This patch switches kvm from using (Qemu's) user address space to Martin's gmap address space. This way QEMU does not have to use a linker script in order to fit large guests at low addresses in its address space. Signed-off-by: NCarsten Otte <cotte@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Add code that allows KVM to control the virtual memory layout that is seen by a guest. The guest address space uses a second page table that shares the last level pte-tables with the process page table. If a page is unmapped from the process page table it is automatically unmapped from the guest page table as well. The guest address space mapping starts out empty, KVM can map any individual 1MB segments from the process virtual memory to any 1MB aligned location in the guest virtual memory. If a target segment in the process virtual memory does not exist or is unmapped while a guest mapping exists the desired target address is stored as an invalid segment table entry in the guest page table. The population of the guest page table is fault driven. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Jan Glauber 提交于
The alignment is missing for various global symbols in s390 assembly code. With a recent gcc and an instruction like stgrl this can lead to a specification exception if the instruction uses such a mis-aligned address. Specify the alignment explicitely and while add it define __ALIGN for s390 and use the ENTRY define to save some lines of code. Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
The entry to / exit from sie has subtle dependencies to the first level interrupt handler. Move the sie assembler code to entry64.S and replace the SIE_HOOK callback with a test and the new _TIF_SIE bit. In addition this patch fixes several problems in regard to the check for the_TIF_EXIT_SIE bits. The old code checked the TIF bits before executing the interrupt handler and it only modified the instruction address if it pointed directly to the sie instruction. In both cases it could miss a TIF bit that normally would cause an exit from the guest and would reenter the guest context. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Christian Borntraeger 提交于
When running a kvm guest we can get intercepts for tprot, if the host page table is read-only or not populated. This patch implements the most common case (linux memory detection). This also allows host copy on write for guest memory on newer systems. Signed-off-by: NChristian Borntraeger <borntraeger@de.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Steven Rostedt 提交于
Do not trace arch_local_save_flags(), arch_local_irq_*() and friends. Although they are marked inline, gcc may still make a function out of them and add it to the pool of functions that are traced by the function tracer. This can cause undesirable results (kernel panic, triple faults, etc). Add the notrace notation to prevent them from ever being traced. Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: NSteven Rostedt <rostedt@goodmis.org> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 06 6月, 2011 3 次提交
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由 Martin Schwidefsky 提交于
KVM is not available for 31 bit but the KVM defines cause warnings: arch/s390/include/asm/pgtable.h: In function 'ptep_test_and_clear_user_dirty': arch/s390/include/asm/pgtable.h:817: warning: integer constant is too large for 'unsigned long' type arch/s390/include/asm/pgtable.h:818: warning: integer constant is too large for 'unsigned long' type arch/s390/include/asm/pgtable.h: In function 'ptep_test_and_clear_user_young': arch/s390/include/asm/pgtable.h:837: warning: integer constant is too large for 'unsigned long' type arch/s390/include/asm/pgtable.h:838: warning: integer constant is too large for 'unsigned long' type Add 31 bit versions of the KVM defines to remove the warnings. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Martin Schwidefsky 提交于
Replace the s390 specific rcu page-table freeing code with the generic variant. This requires to duplicate the definition for the struct mmu_table_batch as s390 does not use the generic tlb flush code. While we are at it remove the restriction that page table fragments can not be reused after a single fragment has been freed with rcu and split out allocation and freeing of page tables with pgstes. Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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由 Jan Glauber 提交于
The qdio SBAL entry flag is made-up of four different values that are independent of one another. Some of the bits are reserved by the hardware and should not be changed by qdio. Currently all four values are overwritten since the SBAL entry flag is defined as an u32. Split the SBAL entry flag into four u8's as defined by the hardware and don't touch the reserved bits. Signed-off-by: NJan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: NMartin Schwidefsky <schwidefsky@de.ibm.com>
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- 29 5月, 2011 2 次提交
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由 Heiko Carstens 提交于
page_get_storage_key() and page_set_storage_key() expect a page address and not its page frame number. This got inconsistent with 2d42552d "[S390] merge page_test_dirty and page_clear_dirty". Result is that we read/write storage keys from random pages and do not have a working dirty bit tracking at all. E.g. SetPageUpdate() doesn't clear the dirty bit of requested pages, which for example ext4 doesn't like very much and panics after a while. Unable to handle kernel paging request at virtual user address (null) Oops: 0004 [#1] PREEMPT SMP DEBUG_PAGEALLOC Modules linked in: CPU: 1 Not tainted 2.6.39-07551-g139f37f5-dirty #152 Process flush-94:0 (pid: 1576, task: 000000003eb34538, ksp: 000000003c287b70) Krnl PSW : 0704c00180000000 0000000000316b12 (jbd2_journal_file_inode+0x10e/0x138) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:0 PM:0 EA:3 Krnl GPRS: 0000000000000000 0000000000000000 0000000000000000 0700000000000000 0000000000316a62 000000003eb34cd0 0000000000000025 000000003c287b88 0000000000000001 000000003c287a70 000000003f1ec678 000000003f1ec000 0000000000000000 000000003e66ec00 0000000000316a62 000000003c287988 Krnl Code: 0000000000316b04: f0a0000407f4 srp 4(11,%r0),2036,0 0000000000316b0a: b9020022 ltgr %r2,%r2 0000000000316b0e: a7740015 brc 7,316b38 >0000000000316b12: e3d0c0000024 stg %r13,0(%r12) 0000000000316b18: 4120c010 la %r2,16(%r12) 0000000000316b1c: 4130d060 la %r3,96(%r13) 0000000000316b20: e340d0600004 lg %r4,96(%r13) 0000000000316b26: c0e50002b567 brasl %r14,36d5f4 Call Trace: ([<0000000000316a62>] jbd2_journal_file_inode+0x5e/0x138) [<00000000002da13c>] mpage_da_map_and_submit+0x2e8/0x42c [<00000000002daac2>] ext4_da_writepages+0x2da/0x504 [<00000000002597e8>] writeback_single_inode+0xf8/0x268 [<0000000000259f06>] writeback_sb_inodes+0xd2/0x18c [<000000000025a700>] writeback_inodes_wb+0x80/0x168 [<000000000025aa92>] wb_writeback+0x2aa/0x324 [<000000000025abde>] wb_do_writeback+0xd2/0x274 [<000000000025ae3a>] bdi_writeback_thread+0xba/0x1c4 [<00000000001737be>] kthread+0xa6/0xb0 [<000000000056c1da>] kernel_thread_starter+0x6/0xc [<000000000056c1d4>] kernel_thread_starter+0x0/0xc INFO: lockdep is turned off. Last Breaking-Event-Address: [<0000000000316a8a>] jbd2_journal_file_inode+0x86/0x138 Reported-by: NSebastian Ott <sebott@linux.vnet.ibm.com> Signed-off-by: NHeiko Carstens <heiko.carstens@de.ibm.com>
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由 Eric W. Biederman 提交于
32bit and 64bit on x86 are tested and working. The rest I have looked at closely and I can't find any problems. setns is an easy system call to wire up. It just takes two ints so I don't expect any weird architecture porting problems. While doing this I have noticed that we have some architectures that are very slow to get new system calls. cris seems to be the slowest where the last system calls wired up were preadv and pwritev. avr32 is weird in that recvmmsg was wired up but never declared in unistd.h. frv is behind with perf_event_open being the last syscall wired up. On h8300 the last system call wired up was epoll_wait. On m32r the last system call wired up was fallocate. mn10300 has recvmmsg as the last system call wired up. The rest seem to at least have syncfs wired up which was new in the 2.6.39. v2: Most of the architecture support added by Daniel Lezcano <dlezcano@fr.ibm.com> v3: ported to v2.6.36-rc4 by: Eric W. Biederman <ebiederm@xmission.com> v4: Moved wiring up of the system call to another patch v5: ported to v2.6.39-rc6 v6: rebased onto parisc-next and net-next to avoid syscall conflicts. v7: ported to Linus's latest post 2.6.39 tree. > arch/blackfin/include/asm/unistd.h | 3 ++- > arch/blackfin/mach-common/entry.S | 1 + Acked-by: NMike Frysinger <vapier@gentoo.org> Oh - ia64 wiring looks good. Acked-by: NTony Luck <tony.luck@intel.com> Signed-off-by: NEric W. Biederman <ebiederm@xmission.com> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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