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0a9e70b1cd
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60718 Commits

Author SHA1 Message Date
Al Viro
0a9e70b1cd 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>
 2011-11-02 14:15:10 +01:00
Al Viro
445c5786c9 um: kill shared/tlb.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
 2011-11-02 14:15:10 +01:00
Al Viro
c75d053b70 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>
 2011-11-02 14:15:09 +01:00
Al Viro
5ade8878e0 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>
 2011-11-02 14:15:08 +01:00
Al Viro
1cf5e62ab9 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>
 2011-11-02 14:15:08 +01:00
Al Viro
dbddc51bc8 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>
 2011-11-02 14:15:07 +01:00
Al Viro
429172ccf0 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>
 2011-11-02 14:15:07 +01:00
Al Viro
549e78db94 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>
 2011-11-02 14:15:06 +01:00
Al Viro
0acdbbeb6d 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>
 2011-11-02 14:15:05 +01:00
Al Viro
5c48b108ec 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>
 2011-11-02 14:15:05 +01:00
Al Viro
7bbe7204e9 um: merge Makefile-{i386,x86_64} 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
 2011-11-02 14:15:04 +01:00
Al Viro
a6e77d6c74 um: trim detritus from Makefile-i386 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
 2011-11-02 14:15:03 +01:00
Al Viro
9aecaa6a8a 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>
 2011-11-02 14:15:03 +01:00
Al Viro
709585063f um: merge kernel_offsets_*.h 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
 2011-11-02 14:15:02 +01:00
Al Viro
c75361bddb 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>
 2011-11-02 14:15:01 +01:00
Al Viro
62982ad6b0 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>
 2011-11-02 14:15:01 +01:00
Al Viro
0de021f797 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>
 2011-11-02 14:15:00 +01:00
Al Viro
ab1c0cc7c9 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>
 2011-11-02 14:14:59 +01:00
Al Viro
248b74c79e 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>
 2011-11-02 14:14:59 +01:00
Al Viro
05c46db4d7 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>
 2011-11-02 14:14:58 +01:00
Al Viro
dd768c56da 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>
 2011-11-02 14:14:57 +01:00
Al Viro
00361683ce 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>
 2011-11-02 14:14:57 +01:00
Al Viro
e87df986ed 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>
 2011-11-02 14:14:56 +01:00
Al Viro
d5c7e8b4ec 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>
 2011-11-02 14:14:55 +01:00
Al Viro
9b25fcbdc6 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>
 2011-11-02 14:14:54 +01:00
Al Viro
adcfb9852d 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>
 2011-11-02 14:14:54 +01:00
Al Viro
51d3474905 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>
 2011-11-02 14:14:53 +01:00
Al Viro
7eb122555c 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>
 2011-11-02 14:14:52 +01:00
Al Viro
5d40de0f6e um: kill dead code around uaccess 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
 2011-11-02 14:14:52 +01:00
Al Viro
6582b7f774 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>
 2011-11-02 14:14:51 +01:00
Al Viro
858ba94499 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>
 2011-11-02 14:14:50 +01:00
Al Viro
27f85f1263 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>
 2011-11-02 14:14:50 +01:00
Al Viro
3655c4d3c4 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>
 2011-11-02 14:14:49 +01:00
Al Viro
ad694df534 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>
 2011-11-02 14:14:48 +01:00
Al Viro
412f90ed13 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>
 2011-11-02 14:14:48 +01:00
Al Viro
ab785c1dd4 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>
 2011-11-02 14:14:47 +01:00
Al Viro
c16d56a37a 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>
 2011-11-02 14:14:47 +01:00
Al Viro
16b7c5737d 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>
 2011-11-02 14:14:46 +01:00
Al Viro
9e636452d0 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>
 2011-11-02 14:14:45 +01:00
Al Viro
945581d5bd 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>
 2011-11-02 14:14:45 +01:00
Al Viro
078073a3d4 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>
 2011-11-02 14:14:44 +01:00
Al Viro
4de1c5f65c 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>
 2011-11-02 14:14:44 +01:00
Al Viro
9f270de836 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>
 2011-11-02 14:14:43 +01:00
Al Viro
4d45db9c45 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>
 2011-11-02 14:14:43 +01:00
Al Viro
a955bd611d 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>
 2011-11-02 14:14:42 +01:00
Al Viro
3d72210bdc 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>
 2011-11-02 14:14:42 +01:00
Al Viro
3c916fec12 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>
 2011-11-02 14:14:41 +01:00
Al Viro
78722a445b 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>
 2011-11-02 14:14:41 +01:00
Al Viro
d118c13548 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>
 2011-11-02 14:14:40 +01:00
Takashi Iwai
8548c84da2 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>
 2011-10-24 06:55:20 +02:00