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Martin Schwidefsky 833774849d [S390] Fix pte type checking. ... handle_pte_fault uses pte_present, pte_none and pte_file to find out the type of a pte. That is done without holding the page table lock. This clashes with the way how ptep_clear_flush removes active page table entries from the system. First the ipte instruction is used to invalidate the pte and remove all plt entries for the page. The ipte sets the hardware invalid bit without changing any other bit. After the ipte finished the pte is cleared. A concurrent fault can observe the the previously valid pte with the invalid bit set. With the current encoding of the different pte types an invalidated read-only pte can be misinterpreted as a swap-pte. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		19 years ago
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Kbuild	[S390] Unexport <asm/z90crypt.h>, export <asm/zcrypt.h> in its place.	19 years ago
a.out.h	…
appldata.h	[S390] Inline assembly cleanup.	19 years ago
atomic.h	[S390] Inline assembly cleanup.	19 years ago
auxvec.h	…
bitops.h	[S390] Inline assembly cleanup.	19 years ago
bug.h	…
bugs.h	…
byteorder.h	[S390] Inline assembly cleanup.	19 years ago
cache.h	…
cacheflush.h	…
ccwdev.h	[S390] Fix sparse warnings.	19 years ago
ccwgroup.h	…
checksum.h	[S390] Inline assembly cleanup.	19 years ago
cio.h	[S390] cio: Use ccw_dev_id and subchannel_id in ccw_device_private	19 years ago
cmb.h	…
compat.h	…
cpcmd.h	…
cputime.h	…
current.h	…
dasd.h	…
debug.h	[PATCH] Fix 'make headers_check' on s390	19 years ago
delay.h	…
div64.h	[S390] __div64_32 for 31 bit.	19 years ago
dma-mapping.h	…
dma.h	[S390] empty function defines.	19 years ago
ebcdic.h	[S390] Inline assembly cleanup.	19 years ago
elf.h	[PATCH] Fix 'make headers_check' on s390	19 years ago
emergency-restart.h	…
errno.h	…
extmem.h	…
fcntl.h	…
futex.h	[S390] Make user-copy operations run-time configurable.	19 years ago
hardirq.h	[S390] irq change build fixes.	19 years ago
idals.h	…
io.h	[S390] Remove open-coded mem_map usage.	19 years ago
ioctl.h	…
ioctls.h	…
ipc.h	…
ipcbuf.h	…
irq.h	[PATCH] Make touch_nmi_watchdog imply touch_softlockup_watchdog on all archs	19 years ago
irq_regs.h	[S390] irq change build fixes.	19 years ago
irqflags.h	[S390] Inline assembly cleanup.	19 years ago
kdebug.h	[S390] add kprobes support.	19 years ago
kexec.h	…
kmap_types.h	…
kprobes.h	[S390] add kprobes support.	19 years ago
linkage.h	…
local.h	…
lowcore.h	[S390] Inline assembly cleanup.	19 years ago
mathemu.h	…
mman.h	…
mmu.h	…
mmu_context.h	…
module.h	…
monwriter.h	[S390] Linux API for writing z/VM APPLDATA Monitor records.	19 years ago
msgbuf.h	…
mutex.h	…
namei.h	…
page.h	[S390] Remove open-coded mem_map usage.	19 years ago
param.h	…
pci.h	…
percpu.h	[PATCH] Fix typo in "syntax error if percpu macros are incorrectly used" patch	19 years ago
pgalloc.h	[S390] Remove open-coded mem_map usage.	19 years ago
pgtable.h	[S390] Fix pte type checking.	19 years ago
poll.h	…
posix_types.h	…
processor.h	[S390] Inline assembly cleanup.	19 years ago
ptrace.h	[PATCH] Add regs_return_value() helper	19 years ago
qdio.h	fix file specification in comments	19 years ago
qeth.h	…
resource.h	…
rwsem.h	[S390] Inline assembly cleanup.	19 years ago
s390_ext.h	[S390] irq change build fixes.	19 years ago
s390_rdev.h	…
scatterlist.h	…
sections.h	…
segment.h	…
semaphore.h	[S390] Inline assembly cleanup.	19 years ago
sembuf.h	…
setup.h	[PATCH] Directed yield: direct yield of spinlocks for s390.	19 years ago
sfp-machine.h	[S390] Inline assembly cleanup.	19 years ago
shmbuf.h	…
shmparam.h	…
sigcontext.h	…
siginfo.h	…
signal.h	…
sigp.h	[S390] Inline assembly cleanup.	19 years ago
smp.h	[S390] Inline assembly cleanup.	19 years ago
socket.h	…
sockios.h	…
spinlock.h	[S390] incorrect placement of include.	19 years ago
spinlock_types.h	[PATCH] Directed yield: direct yield of spinlocks for s390.	19 years ago
stat.h	…
statfs.h	…
string.h	[S390] Inline assembly cleanup.	19 years ago
suspend.h	…
system.h	[S390] Inline assembly cleanup.	19 years ago
tape390.h	…
termbits.h	…
termios.h	…
thread_info.h	…
timer.h	[S390] irq change improvements.	19 years ago
timex.h	[S390] Inline assembly cleanup.	19 years ago
tlb.h	…
tlbflush.h	[S390] Inline assembly cleanup.	19 years ago
todclk.h	…
topology.h	…
types.h	…
uaccess.h	[S390] Inline assembly cleanup.	19 years ago
ucontext.h	…
unaligned.h	…
unistd.h	[S390] Wire up epoll_pwait syscall.	19 years ago
user.h	…
vtoc.h	…
xor.h	…
zcrypt.h	[S390] zcrypt secure key cryptography extension.	19 years ago