pandora-kernel.git
10 years agoum: unify KSTK_...
Al Viro [Thu, 18 Aug 2011 19:12:09 +0000 (20:12 +0100)]
um: unify KSTK_...

... and switch get_thread_register() to HOST_... for register numbers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: fix gcov build breakage
Al Viro [Thu, 18 Aug 2011 19:11:49 +0000 (20:11 +0100)]
um: fix gcov build breakage

a) exports in gmon_syms.c duplicate kernel/gcov/* ones
b) excluding -pg in vdso compile is not enough - -fprofile-arcs
and -ftest-coverage also needs to be excluded

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: page_offset.h is never used
Al Viro [Thu, 18 Aug 2011 19:11:39 +0000 (20:11 +0100)]
um: page_offset.h is never used

... and neither is the only define in it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: irq_vectors.h just shadows x86 one
Al Viro [Thu, 18 Aug 2011 19:11:29 +0000 (20:11 +0100)]
um: irq_vectors.h just shadows x86 one

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: required-features.h is there only to shadow x86 one...
Al Viro [Thu, 18 Aug 2011 19:11:19 +0000 (20:11 +0100)]
um: required-features.h is there only to shadow x86 one...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: asm/apic.h is there only to shadow the x86 one...
Al Viro [Thu, 18 Aug 2011 19:11:09 +0000 (20:11 +0100)]
um: asm/apic.h is there only to shadow the x86 one...

... so take it to arch/um/x86/asm.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take ubd_user.h to its users...
Al Viro [Thu, 18 Aug 2011 19:10:59 +0000 (20:10 +0100)]
um: take ubd_user.h to its users...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take ldt.h to arch/x86/um/asm/mm_context.h
Al Viro [Thu, 18 Aug 2011 19:10:49 +0000 (20:10 +0100)]
um: take ldt.h to arch/x86/um/asm/mm_context.h

it's x86-only and we have no business playing with it in asm/mmu.h; make
the latter have
struct uml_arch_mm_context arch;
instead of
struct uml_ldt ldt;
and let arch/<subarch>/um/asm/mm_context.h decide what'll be in there.
While we are at it, kill host_ldt.h - it's not needed in part of places
that include it (we want asm/ldt.h in those) and it can be trivially
expanded into the single remaining one.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge signal_{32,64}.c
Al Viro [Thu, 18 Aug 2011 19:10:39 +0000 (20:10 +0100)]
um: merge signal_{32,64}.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: no need to play with save_sp in signal frame setup anymore
Al Viro [Thu, 18 Aug 2011 19:10:29 +0000 (20:10 +0100)]
um: no need to play with save_sp in signal frame setup anymore

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: increase stack growth cushion in pagefault
Al Viro [Thu, 18 Aug 2011 19:10:19 +0000 (20:10 +0100)]
um: increase stack growth cushion in pagefault

analog of [PATCH] i386: let usermode execute the "enter" instruction from
circa 2006.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge HOST_... of registers common on i386 and amd64
Al Viro [Thu, 18 Aug 2011 19:10:09 +0000 (20:10 +0100)]
um: merge HOST_... of registers common on i386 and amd64

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: sanitize paths in sys_call_table* includes
Al Viro [Thu, 18 Aug 2011 19:09:59 +0000 (20:09 +0100)]
um: sanitize paths in sys_call_table* includes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge os-Linux/tls.c into arch/x86/um/os-Linux/tls.c
Al Viro [Thu, 18 Aug 2011 19:09:49 +0000 (20:09 +0100)]
um: merge os-Linux/tls.c into arch/x86/um/os-Linux/tls.c

it's i386-specific; moreover, analogs on other targets have
incompatible interface - PTRACE_GET_THREAD_AREA does exist
elsewhere, but struct user_desc does *not*

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: move asm/desc.h into arch/x86/um/asm
Al Viro [Thu, 18 Aug 2011 19:09:39 +0000 (20:09 +0100)]
um: move asm/desc.h into arch/x86/um/asm

its only purpose is to shadow the x86 asm/desc.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge host_ldt_{32,64}.h
Al Viro [Thu, 18 Aug 2011 19:09:29 +0000 (20:09 +0100)]
um: merge host_ldt_{32,64}.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge tls_{32,64}.h
Al Viro [Thu, 18 Aug 2011 19:09:19 +0000 (20:09 +0100)]
um: merge tls_{32,64}.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take um_mmu.h to asm/mmu.h, clean asm/mmu_context.h a bit
Al Viro [Thu, 18 Aug 2011 19:09:09 +0000 (20:09 +0100)]
um: take um_mmu.h to asm/mmu.h, clean asm/mmu_context.h a bit

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill useless include of user.h
Al Viro [Thu, 18 Aug 2011 19:08:59 +0000 (20:08 +0100)]
um: kill useless include of user.h

everything in USER_OBJ gets it via -include user.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill um_uaccess.h
Al Viro [Thu, 18 Aug 2011 19:08:49 +0000 (20:08 +0100)]
um: kill um_uaccess.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take mconsole*.h to arch/um/drivers
Al Viro [Thu, 18 Aug 2011 19:08:39 +0000 (20:08 +0100)]
um: take mconsole*.h to arch/um/drivers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take chan_*.h and line.h to arch/um/drivers
Al Viro [Thu, 18 Aug 2011 19:08:29 +0000 (20:08 +0100)]
um: take chan_*.h and line.h to arch/um/drivers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take register_winch_irq() into the caller of is_skas_winch()
Al Viro [Thu, 18 Aug 2011 19:08:19 +0000 (20:08 +0100)]
um: take register_winch_irq() into the caller of is_skas_winch()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill shared/mem_kern.h
Al Viro [Thu, 18 Aug 2011 19:08:09 +0000 (20:08 +0100)]
um: kill shared/mem_kern.h

... nothing declared there exists

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill shared/tlb.h
Al Viro [Thu, 18 Aug 2011 19:07:59 +0000 (20:07 +0100)]
um: kill shared/tlb.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: make flush_tlb_kernel_range_common() static
Al Viro [Thu, 18 Aug 2011 19:07:49 +0000 (20:07 +0100)]
um: make flush_tlb_kernel_range_common() static

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill shared/task.h and HOST_TASK_REGS
Al Viro [Thu, 18 Aug 2011 19:07:39 +0000 (20:07 +0100)]
um: kill shared/task.h and HOST_TASK_REGS

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: shared/syscall.h is not even included
Al Viro [Thu, 18 Aug 2011 19:07:29 +0000 (20:07 +0100)]
um: shared/syscall.h is not even included

... and functions declared in it do not exist

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: don't include kern.h unless it's needed
Al Viro [Thu, 18 Aug 2011 19:07:19 +0000 (20:07 +0100)]
um: don't include kern.h unless it's needed

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: trim kern.h
Al Viro [Thu, 18 Aug 2011 19:07:09 +0000 (20:07 +0100)]
um: trim kern.h

most of the functions in there are not used in anything that ends up
including that header...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: make load_initrd() static, kill shared/initrd.h
Al Viro [Thu, 18 Aug 2011 19:06:59 +0000 (20:06 +0100)]
um: make load_initrd() static, kill shared/initrd.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: bury unused macros around ptrace.h
Al Viro [Thu, 18 Aug 2011 19:06:49 +0000 (20:06 +0100)]
um: bury unused macros around ptrace.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take arch/um/sys-x86 to arch/x86/um
Al Viro [Thu, 18 Aug 2011 19:06:39 +0000 (20:06 +0100)]
um: take arch/um/sys-x86 to arch/x86/um

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge Makefile-{i386,x86_64}
Al Viro [Thu, 18 Aug 2011 19:06:29 +0000 (20:06 +0100)]
um: merge Makefile-{i386,x86_64}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: trim detritus from Makefile-i386
Al Viro [Thu, 18 Aug 2011 19:06:19 +0000 (20:06 +0100)]
um: trim detritus from Makefile-i386

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: arch_hweight.h is needed only on uml-x86
Al Viro [Thu, 18 Aug 2011 19:06:09 +0000 (20:06 +0100)]
um: arch_hweight.h is needed only on uml-x86

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge kernel_offsets_*.h
Al Viro [Thu, 18 Aug 2011 19:05:59 +0000 (20:05 +0100)]
um: merge kernel_offsets_*.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge skas_ptrace.h 32/64bit variants
Al Viro [Thu, 18 Aug 2011 19:05:49 +0000 (20:05 +0100)]
um: merge skas_ptrace.h 32/64bit variants

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: sysdep/barrier.h is not used for anything
Al Viro [Thu, 18 Aug 2011 19:05:39 +0000 (20:05 +0100)]
um: sysdep/barrier.h is not used for anything

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: shared/process.h is empty now; kill it
Al Viro [Thu, 18 Aug 2011 19:05:29 +0000 (20:05 +0100)]
um: shared/process.h is empty now; kill it

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: finish conversion to mcontext_t
Al Viro [Thu, 18 Aug 2011 19:05:19 +0000 (20:05 +0100)]
um: finish conversion to mcontext_t

now we don't mix host and guest signal frame layouts anymore; moreover,
we don't need host's struct sigcontext at all.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: start switching the references to host mcontext_t to its userland type
Al Viro [Thu, 18 Aug 2011 19:05:09 +0000 (20:05 +0100)]
um: start switching the references to host mcontext_t to its userland type

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take userland definition of barrier() to user.h
Al Viro [Thu, 18 Aug 2011 19:04:59 +0000 (20:04 +0100)]
um: take userland definition of barrier() to user.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take system.h out of shared/sysdep
Al Viro [Thu, 18 Aug 2011 19:04:49 +0000 (20:04 +0100)]
um: take system.h out of shared/sysdep

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: fill the handlers array at build time
Al Viro [Thu, 18 Aug 2011 19:04:39 +0000 (20:04 +0100)]
um: fill the handlers array at build time

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: simplify set_handler()
Al Viro [Thu, 18 Aug 2011 19:04:29 +0000 (20:04 +0100)]
um: simplify set_handler()

For one thing, we always block the same signals (IRQ ones - IO, WINCH, VTALRM),
so there's no need to pass sa_mask elements in arguments.  For another, the
flags depend only on whether it's an IRQ signal or not (we add SA_RESTART
for them).

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: don't bother blocking SIGARLM and SIGUSR1
Al Viro [Thu, 18 Aug 2011 19:04:19 +0000 (20:04 +0100)]
um: don't bother blocking SIGARLM and SIGUSR1

We used to generate those, but we hadn't done that for a long
time.  No need to bother blocking them for signal handlers.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: switch stub_segv_handler to SA_SIGINFO variant, get rid of magic crap in there
Al Viro [Thu, 18 Aug 2011 19:04:09 +0000 (20:04 +0100)]
um: switch stub_segv_handler to SA_SIGINFO variant, get rid of magic crap in there

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill includes of sysdep/sigcontext.h from stuff built with kernel headers
Al Viro [Thu, 18 Aug 2011 19:03:59 +0000 (20:03 +0100)]
um: kill includes of sysdep/sigcontext.h from stuff built with kernel headers

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge arch/um/os-Linux/sys-{i386,x86_64}
Al Viro [Thu, 18 Aug 2011 19:03:49 +0000 (20:03 +0100)]
um: merge arch/um/os-Linux/sys-{i386,x86_64}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge hard_handler() instances, switch to use of SA_SIGINFO
Al Viro [Thu, 18 Aug 2011 19:03:39 +0000 (20:03 +0100)]
um: merge hard_handler() instances, switch to use of SA_SIGINFO

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill dead code around uaccess
Al Viro [Thu, 18 Aug 2011 19:03:29 +0000 (20:03 +0100)]
um: kill dead code around uaccess

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge arch/um/sys-{i386,x86_64}
Al Viro [Thu, 18 Aug 2011 19:03:19 +0000 (20:03 +0100)]
um: merge arch/um/sys-{i386,x86_64}

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge arch/um/sys-{i386,x86_64}/shared
Al Viro [Thu, 18 Aug 2011 19:03:09 +0000 (20:03 +0100)]
um: merge arch/um/sys-{i386,x86_64}/shared

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: merge arch/um/sys-{i386,x86_64}/asm
Al Viro [Thu, 18 Aug 2011 19:02:59 +0000 (20:02 +0100)]
um: merge arch/um/sys-{i386,x86_64}/asm

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: get rid of unused macros in ptrace_user.h
Al Viro [Thu, 18 Aug 2011 19:02:49 +0000 (20:02 +0100)]
um: get rid of unused macros in ptrace_user.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: get rid of sysdep/sc.h
Al Viro [Thu, 18 Aug 2011 19:02:39 +0000 (20:02 +0100)]
um: get rid of sysdep/sc.h

only sysdep/sigcontext.h uses it and very few definitions are
actually used.  The rest refers to symbols that don't even
exist anymore anyway.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: Get rid of UPT_SET/UPT_REG macros
Al Viro [Thu, 18 Aug 2011 19:02:29 +0000 (20:02 +0100)]
um: Get rid of UPT_SET/UPT_REG macros

the only users are arch getreg()/putreg() and it's easier to handle
it there instead of playing with macros from hell

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take vm-flags.h to sys-*/asm
Al Viro [Thu, 18 Aug 2011 19:02:19 +0000 (20:02 +0100)]
um: take vm-flags.h to sys-*/asm

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: get rid of sysdep/checksum.h
Al Viro [Thu, 18 Aug 2011 19:02:09 +0000 (20:02 +0100)]
um: get rid of sysdep/checksum.h

Move those to sys-.../asm/checksum.h, kill include/asm/checksum.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: trim unused junk from user.h
Al Viro [Thu, 18 Aug 2011 19:01:59 +0000 (20:01 +0100)]
um: trim unused junk from user.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: get rid of kern_constants.h
Al Viro [Thu, 18 Aug 2011 19:01:49 +0000 (20:01 +0100)]
um: get rid of kern_constants.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill a couple of useless includes of kern_constants.h
Al Viro [Thu, 18 Aug 2011 19:01:39 +0000 (20:01 +0100)]
um: kill a couple of useless includes of kern_constants.h

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: -include user.h for USER_OBJ, trim includes
Al Viro [Thu, 18 Aug 2011 19:01:29 +0000 (20:01 +0100)]
um: -include user.h for USER_OBJ, trim includes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: take user_constants.h to include/generated
Al Viro [Thu, 18 Aug 2011 19:01:19 +0000 (20:01 +0100)]
um: take user_constants.h to include/generated

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: kill skas_ptregs.h
Al Viro [Thu, 18 Aug 2011 19:01:09 +0000 (20:01 +0100)]
um: kill skas_ptregs.h

It's a plain include of user_constants.h and all (2) users are
including user_constants.h directly prior to that.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: switch to -idirafter, get saner kern_constants.h out of that
Al Viro [Thu, 18 Aug 2011 19:00:59 +0000 (20:00 +0100)]
um: switch to -idirafter, get saner kern_constants.h out of that

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: series of __get_user() is costly in sigframe handling
Al Viro [Thu, 18 Aug 2011 19:00:49 +0000 (20:00 +0100)]
um: series of __get_user() is costly in sigframe handling

It's not x86, where __get_user() is a single dereference; here it's
a single ptrace(2) call in host, which obviously costs a lot more.
IOW, it's cheaper to do copy_{to,from}_user() once than bother with
fields one by one...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: make copy_sc() static
Al Viro [Thu, 18 Aug 2011 19:00:39 +0000 (20:00 +0100)]
um: make copy_sc() static

... and kill it in amd64 - not used.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: don't rely on sc.fpstate not having been reassigned prior to rt_sigreturn()
Al Viro [Thu, 18 Aug 2011 19:00:29 +0000 (20:00 +0100)]
um: don't rely on sc.fpstate not having been reassigned prior to rt_sigreturn()

native rt_sigreturn() doesn't...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: switch {rt_,}sigreturn() to set_current_blocked()
Al Viro [Thu, 18 Aug 2011 19:00:19 +0000 (20:00 +0100)]
um: switch {rt_,}sigreturn() to set_current_blocked()

same story as on x86 native...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoum: use subarch-obj instead of copying...
Al Viro [Thu, 18 Aug 2011 19:00:09 +0000 (20:00 +0100)]
um: use subarch-obj instead of copying...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
10 years agoLinux 3.1 v3.1
Linus Torvalds [Mon, 24 Oct 2011 07:10:05 +0000 (09:10 +0200)]
Linux 3.1

10 years agoMerge git://git.infradead.org/iommu-2.6
Linus Torvalds [Mon, 24 Oct 2011 05:08:24 +0000 (07:08 +0200)]
Merge git://git.infradead.org/iommu-2.6

* git://git.infradead.org/iommu-2.6:
  intel-iommu: fix superpage support in pfn_to_dma_pte()
  intel-iommu: set iommu_superpage on VM domains to lowest common denominator
  intel-iommu: fix return value of iommu_unmap() API
  MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move
  intel-iommu: Export a flag indicating that the IOMMU is used for iGFX.
  intel-iommu: Workaround IOTLB hang on Ironlake GPU
  intel-iommu: Fix AB-BA lockdep report

10 years agoMerge branch 'for-linus' of http://people.redhat.com/agk/git/linux-dm
Linus Torvalds [Mon, 24 Oct 2011 05:05:38 +0000 (07:05 +0200)]
Merge branch 'for-linus' of people.redhat.com/agk/git/linux-dm

* 'for-linus' of http://people.redhat.com/agk/git/linux-dm:
  dm kcopyd: fix job_pool leak

10 years agox86: Fix S4 regression
Takashi Iwai [Sun, 23 Oct 2011 21:19:12 +0000 (23:19 +0200)]
x86: Fix S4 regression

Commit 4b239f458 ("x86-64, mm: Put early page table high") causes a S4
regression since 2.6.39, namely the machine reboots occasionally at S4
resume.  It doesn't happen always, overall rate is about 1/20.  But,
like other bugs, once when this happens, it continues to happen.

This patch fixes the problem by essentially reverting the memory
assignment in the older way.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: <stable@kernel.org>
Cc: Rafael J. Wysocki <rjw@sisk.pl>
Cc: Yinghai Lu <yinghai.lu@oracle.com>
[ We'll hopefully find the real fix, but that's too late for 3.1 now ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
10 years agodm kcopyd: fix job_pool leak
Alasdair G Kergon [Sun, 23 Oct 2011 19:55:17 +0000 (20:55 +0100)]
dm kcopyd: fix job_pool leak

Fix memory leak introduced by commit a6e50b409d3f9e0833e69c3c9cca822e8fa4adbb
(dm snapshot: skip reading origin when overwriting complete chunk).

When allocating a set of jobs from kc->job_pool, job->master_job must be
set (to point to itself) so that the mempool item gets freed when the
master_job completes.

master_job was introduced by commit c6ea41fbbe08f270a8edef99dc369faf809d1bd6
(dm kcopyd: preallocate sub jobs to avoid deadlock)

Reported-by: Michael Leun <ml@newton.leun.net>
Cc: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
10 years agoMerge branch 'samsung-fixes-4' of git://github.com/kgene/linux-samsung
Linus Torvalds [Sun, 23 Oct 2011 07:44:40 +0000 (10:44 +0300)]
Merge branch 'samsung-fixes-4' of git://github.com/kgene/linux-samsung

* 'samsung-fixes-4' of git://github.com/kgene/linux-samsung:
  ARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM
  ARM: S5P: fix offset calculation on gpio-interrupt

10 years agoMerge branch 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groec...
Linus Torvalds [Sun, 23 Oct 2011 07:43:31 +0000 (10:43 +0300)]
Merge branch 'hwmon-for-linus' of git://git./linux/kernel/git/groeck/linux-staging

* 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
  hwmon: (w83627ehf) Fix negative 8-bit temperature values

10 years agoARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM
Domenico Andreoli [Fri, 21 Oct 2011 19:00:53 +0000 (04:00 +0900)]
ARM: S3C24XX: Fix s3c24xx build errors if !CONFIG_PM

v2:
- register_syscore_ops(&s3c24xx_irq_syscore_ops) does not need to be
  conditionally compiled out, it is already optimized out on !CONFIG_PM
- fix also s3c2412 and s3c2416 affected by the same build issue

v1:
s3c2440.c fails to build if !CONFIG_PM because in such case
s3c2410_pm_syscore_ops is not defined. Same error should happen also
in s3c2410.c and s3c2442.c

Signed-off-by: Domenico Andreoli <cavokz@gmail.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoMerge git://github.com/herbertx/crypto
Linus Torvalds [Fri, 21 Oct 2011 14:02:18 +0000 (17:02 +0300)]
Merge git://github.com/herbertx/crypto

* git://github.com/herbertx/crypto:
  crypto: ghash - Avoid null pointer dereference if no key is set

10 years agoMerge branch 'fix/hda' of git://github.com/tiwai/sound
Linus Torvalds [Fri, 21 Oct 2011 14:01:21 +0000 (17:01 +0300)]
Merge branch 'fix/hda' of git://github.com/tiwai/sound

* 'fix/hda' of git://github.com/tiwai/sound:
  ALSA: HDA: conexant support for Lenovo T520/W520
  ALSA: hda - Add position_fix quirk for Dell Inspiron 1010

10 years agocrypto: ghash - Avoid null pointer dereference if no key is set
Nick Bowler [Thu, 20 Oct 2011 12:16:55 +0000 (14:16 +0200)]
crypto: ghash - Avoid null pointer dereference if no key is set

The ghash_update function passes a pointer to gf128mul_4k_lle which will
be NULL if ghash_setkey is not called or if the most recent call to
ghash_setkey failed to allocate memory.  This causes an oops.  Fix this
up by returning an error code in the null case.

This is trivially triggered from unprivileged userspace through the
AF_ALG interface by simply writing to the socket without setting a key.

The ghash_final function has a similar issue, but triggering it requires
a memory allocation failure in ghash_setkey _after_ at least one
successful call to ghash_update.

  BUG: unable to handle kernel NULL pointer dereference at 00000670
  IP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul]
  *pde = 00000000
  Oops: 0000 [#1] PREEMPT SMP
  Modules linked in: ghash_generic gf128mul algif_hash af_alg nfs lockd nfs_acl sunrpc bridge ipv6 stp llc

  Pid: 1502, comm: hashatron Tainted: G        W   3.1.0-rc9-00085-ge9308cf #32 Bochs Bochs
  EIP: 0060:[<d88c92d4>] EFLAGS: 00000202 CPU: 0
  EIP is at gf128mul_4k_lle+0x23/0x60 [gf128mul]
  EAX: d69db1f0 EBX: d6b8ddac ECX: 00000004 EDX: 00000000
  ESI: 00000670 EDI: d6b8ddac EBP: d6b8ddc8 ESP: d6b8dda4
   DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
  Process hashatron (pid: 1502, ti=d6b8c000 task=d6810000 task.ti=d6b8c000)
  Stack:
   00000000 d69db1f0 00000163 00000000 d6b8ddc8 c101a520 d69db1f0 d52aa000
   00000ff0 d6b8dde8 d88d310f d6b8a3f8 d52aa000 00001000 d88d502c d6b8ddfc
   00001000 d6b8ddf4 c11676ed d69db1e8 d6b8de24 c11679ad d52aa000 00000000
  Call Trace:
   [<c101a520>] ? kmap_atomic_prot+0x37/0xa6
   [<d88d310f>] ghash_update+0x85/0xbe [ghash_generic]
   [<c11676ed>] crypto_shash_update+0x18/0x1b
   [<c11679ad>] shash_ahash_update+0x22/0x36
   [<c11679cc>] shash_async_update+0xb/0xd
   [<d88ce0ba>] hash_sendpage+0xba/0xf2 [algif_hash]
   [<c121b24c>] kernel_sendpage+0x39/0x4e
   [<d88ce000>] ? 0xd88cdfff
   [<c121b298>] sock_sendpage+0x37/0x3e
   [<c121b261>] ? kernel_sendpage+0x4e/0x4e
   [<c10b4dbc>] pipe_to_sendpage+0x56/0x61
   [<c10b4e1f>] splice_from_pipe_feed+0x58/0xcd
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b51f5>] __splice_from_pipe+0x36/0x55
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b6383>] splice_from_pipe+0x51/0x64
   [<c10b63c2>] ? default_file_splice_write+0x2c/0x2c
   [<c10b63d5>] generic_splice_sendpage+0x13/0x15
   [<c10b4d66>] ? splice_from_pipe_begin+0x10/0x10
   [<c10b527f>] do_splice_from+0x5d/0x67
   [<c10b6865>] sys_splice+0x2bf/0x363
   [<c129373b>] ? sysenter_exit+0xf/0x16
   [<c104dc1e>] ? trace_hardirqs_on_caller+0x10e/0x13f
   [<c129370c>] sysenter_do_call+0x12/0x32
  Code: 83 c4 0c 5b 5e 5f c9 c3 55 b9 04 00 00 00 89 e5 57 8d 7d e4 56 53 8d 5d e4 83 ec 18 89 45 e0 89 55 dc 0f b6 70 0f c1 e6 04 01 d6 <f3> a5 be 0f 00 00 00 4e 89 d8 e8 48 ff ff ff 8b 45 e0 89 da 0f
  EIP: [<d88c92d4>] gf128mul_4k_lle+0x23/0x60 [gf128mul] SS:ESP 0068:d6b8dda4
  CR2: 0000000000000670
  ---[ end trace 4eaa2a86a8e2da24 ]---
  note: hashatron[1502] exited with preempt_count 1
  BUG: scheduling while atomic: hashatron/1502/0x10000002
  INFO: lockdep is turned off.
  [...]

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Cc: stable@kernel.org [2.6.37+]
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
10 years agoARM: S5P: fix offset calculation on gpio-interrupt
Marek Szyprowski [Fri, 21 Oct 2011 09:04:54 +0000 (18:04 +0900)]
ARM: S5P: fix offset calculation on gpio-interrupt

Offsets of the irq controller registers were calculated
correctly only for first GPIO bank. This patch fixes
calculation of the register offsets for all GPIO banks.

Reported-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Linus Torvalds [Thu, 20 Oct 2011 19:16:28 +0000 (22:16 +0300)]
Merge git://git./linux/kernel/git/davem/sparc

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc:
  sparc: Add alignment flag to PCI expansion resources
  sparc: Avoid calling sigprocmask()
  sparc: Use set_current_blocked()
  sparc32,leon: SRMMU MMU Table probe fix

10 years agoMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Linus Torvalds [Thu, 20 Oct 2011 19:15:20 +0000 (22:15 +0300)]
Merge git://git./linux/kernel/git/davem/net

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
  fib_rules: fix unresolved_rules counting
  r8169: fix wrong eee setting for rlt8111evl
  r8169: fix driver shutdown WoL regression.
  ehea: Change maintainer to me
  pptp: pptp_rcv_core() misses pskb_may_pull() call
  tproxy: copy transparent flag when creating a time wait
  pptp: fix skb leak in pptp_xmit()
  bonding: use local function pointer of bond->recv_probe in bond_handle_frame
  smsc911x: Add support for SMSC LAN89218
  tg3: negate USE_PHYLIB flag check
  netconsole: enable netconsole can make net_device refcnt incorrent
  bluetooth: Properly clone LSM attributes to newly created child connections
  l2tp: fix a potential skb leak in l2tp_xmit_skb()
  bridge: fix hang on removal of bridge via netlink
  x25: Prevent skb overreads when checking call user data
  x25: Handle undersized/fragmented skbs
  x25: Validate incoming call user data lengths
  udplite: fast-path computation of checksum coverage
  IPVS netns shutdown/startup dead-lock
  netfilter: nf_conntrack: fix event flooding in GRE protocol tracker

10 years agohwmon: (w83627ehf) Fix negative 8-bit temperature values
Jean Delvare [Thu, 20 Oct 2011 07:06:45 +0000 (03:06 -0400)]
hwmon: (w83627ehf) Fix negative 8-bit temperature values

Since 8-bit temperature values are now handled in 16-bit struct
members, values have to be cast to s8 for negative temperatures to be
properly handled. This is broken since kernel version 2.6.39
(commit bce26c58df86599c9570cee83eac58bdaae760e4.)

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@kernel.org # 2.6.39+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
10 years agomm: fix race between mremap and removing migration entry
Hugh Dickins [Wed, 19 Oct 2011 19:50:35 +0000 (12:50 -0700)]
mm: fix race between mremap and removing migration entry

I don't usually pay much attention to the stale "? " addresses in
stack backtraces, but this lucky report from Pawel Sikora hints that
mremap's move_ptes() has inadequate locking against page migration.

 3.0 BUG_ON(!PageLocked(p)) in migration_entry_to_page():
 kernel BUG at include/linux/swapops.h:105!
 RIP: 0010:[<ffffffff81127b76>]  [<ffffffff81127b76>]
                       migration_entry_wait+0x156/0x160
  [<ffffffff811016a1>] handle_pte_fault+0xae1/0xaf0
  [<ffffffff810feee2>] ? __pte_alloc+0x42/0x120
  [<ffffffff8112c26b>] ? do_huge_pmd_anonymous_page+0xab/0x310
  [<ffffffff81102a31>] handle_mm_fault+0x181/0x310
  [<ffffffff81106097>] ? vma_adjust+0x537/0x570
  [<ffffffff81424bed>] do_page_fault+0x11d/0x4e0
  [<ffffffff81109a05>] ? do_mremap+0x2d5/0x570
  [<ffffffff81421d5f>] page_fault+0x1f/0x30

mremap's down_write of mmap_sem, together with i_mmap_mutex or lock,
and pagetable locks, were good enough before page migration (with its
requirement that every migration entry be found) came in, and enough
while migration always held mmap_sem; but not enough nowadays, when
there's memory hotremove and compaction.

The danger is that move_ptes() lets a migration entry dodge around
behind remove_migration_pte()'s back, so it's in the old location when
looking at the new, then in the new location when looking at the old.

Either mremap's move_ptes() must additionally take anon_vma lock(), or
migration's remove_migration_pte() must stop peeking for is_swap_entry()
before it takes pagetable lock.

Consensus chooses the latter: we prefer to add overhead to migration
than to mremapping, which gets used by JVMs and by exec stack setup.

Reported-and-tested-by: Paweł Sikora <pluto@agmk.net>
Signed-off-by: Hugh Dickins <hughd@google.com>
Acked-by: Andrea Arcangeli <aarcange@redhat.com>
Acked-by: Mel Gorman <mgorman@suse.de>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
10 years agosparc: Add alignment flag to PCI expansion resources
Kjetil Oftedal [Wed, 19 Oct 2011 23:20:50 +0000 (16:20 -0700)]
sparc: Add alignment flag to PCI expansion resources

Currently no type of alignment is specified for PCI expansion roms while
parsing the openfirmware tree. This causes calls to pci_map_rom() to fail.
IORESOURCE_SIZEALIGN is the default alignment used for rom resouces in
pci/probe.c, and has been verified to work with various cards on a ultra 10.

Signed-off-By: Kjetil Oftedal <oftedal@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agofib_rules: fix unresolved_rules counting
Yan, Zheng [Mon, 17 Oct 2011 15:20:28 +0000 (15:20 +0000)]
fib_rules: fix unresolved_rules counting

we should decrease ops->unresolved_rules when deleting a unresolved rule.

Signed-off-by: Zheng Yan <zheng.z.yan@intel.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agor8169: fix wrong eee setting for rlt8111evl
hayeswang [Thu, 13 Oct 2011 20:14:37 +0000 (20:14 +0000)]
r8169: fix wrong eee setting for rlt8111evl

Correct the wrong parameter for setting EEE for RTL8111E-VL.

Signed-off-by: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agor8169: fix driver shutdown WoL regression.
françois romieu [Fri, 14 Oct 2011 00:57:45 +0000 (00:57 +0000)]
r8169: fix driver shutdown WoL regression.

Due to commit 92fc43b4159b518f5baae57301f26d770b0834c9 ("r8169: modify the
flow of the hw reset."), rtl8169_hw_reset stomps during driver shutdown on
RxConfig bits which are needed for WOL on some versions of the hardware.

As these bits were formerly set from the r81{0x, 68}_pll_power_down methods,
factor them out for use in the driver shutdown (rtl_shutdown) handler.

I favored __rtl8169_get_wol() -hardware state indication- over
RTL_FEATURE_WOL as the latter has become a good candidate for removal.

Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Cc: Hayes <hayeswang@realtek.com>
Tested-by: Marc Ballarin <ballarin.marc@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoehea: Change maintainer to me
Thadeu Lima de Souza Cascardo [Thu, 13 Oct 2011 09:56:19 +0000 (09:56 +0000)]
ehea: Change maintainer to me

Breno Leitao has passed the maintainership to me.

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Cc: Breno Leitao <leitao@linux.vnet.ibm.com>
Acked-by: Breno Leitão <leitao@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
10 years agoMerge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus
Linus Torvalds [Wed, 19 Oct 2011 13:44:11 +0000 (06:44 -0700)]
Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus

* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus:
  [media] videodev: fix a NULL pointer dereference in v4l2_device_release()

10 years agoMerge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Linus Torvalds [Wed, 19 Oct 2011 13:43:24 +0000 (06:43 -0700)]
Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/kms/atom: fix handling of FB scratch indices
  drm/radeon/kms/DCE4.1: fix Select_CrtcSource EncodeMode setting for DP bridges (v2)
  drm/radeon/kms/DCE4.1: ss is not supported on the internal pplls
  drm/radeon/kms/DCE4.1: fix dig encoder to transmitter mapping
  ttm: Fix error-path using an uninitialized value

10 years ago[media] videodev: fix a NULL pointer dereference in v4l2_device_release()
Antonio Ospite [Wed, 12 Oct 2011 20:59:26 +0000 (17:59 -0300)]
[media] videodev: fix a NULL pointer dereference in v4l2_device_release()

The change in 8280b66 does not cover the case when v4l2_dev is already
NULL, fix that.

With a Kinect sensor, seen as an USB camera using GSPCA in this context,
a NULL pointer dereference BUG can be triggered by just unplugging the
device after the camera driver has been loaded.

Signed-off-by: Antonio Ospite <ospite@studenti.unina.it>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
10 years agointel-iommu: fix superpage support in pfn_to_dma_pte()
Allen Kay [Fri, 14 Oct 2011 19:32:46 +0000 (12:32 -0700)]
intel-iommu: fix superpage support in pfn_to_dma_pte()

If target_level == 0, current code breaks out of the while-loop if
SUPERPAGE bit is set. We should also break out if PTE is not present.
If we don't do this, KVM calls to iommu_iova_to_phys() will cause
pfn_to_dma_pte() to create mapping for 4KiB pages.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
10 years agointel-iommu: set iommu_superpage on VM domains to lowest common denominator
Allen Kay [Fri, 14 Oct 2011 19:32:17 +0000 (12:32 -0700)]
intel-iommu: set iommu_superpage on VM domains to lowest common denominator

set dmar->iommu_superpage field to the smallest common denominator
of super page sizes supported by all active VT-d engines.  Initialize
this field in intel_iommu_domain_init() API so intel_iommu_map() API
will be able to use iommu_superpage field to determine the appropriate
super page size to use.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
10 years agointel-iommu: fix return value of iommu_unmap() API
Allen Kay [Fri, 14 Oct 2011 19:31:54 +0000 (12:31 -0700)]
intel-iommu: fix return value of iommu_unmap() API

iommu_unmap() API expects IOMMU drivers to return the actual page order
of the address being unmapped.  Previous code was just returning page
order passed in from the caller.  This patch fixes this problem.

Signed-off-by: Allen Kay <allen.m.kay@intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
10 years agoMAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move
Roland Dreier [Tue, 11 Oct 2011 00:07:15 +0000 (17:07 -0700)]
MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu move

Commit 166e9278a3f9 ("x86/ia64: intel-iommu: move to drivers/iommu/")
moved the VT-d driver to drivers/iommu, but left the "F:" line in
MAINTAINERS pointing to drivers/pci, which breaks scripts/get_maintainer.pl.

Signed-off-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>