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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>
2006-10-18 18:30:51 +02:00
..
acpi ACPI: Processor native C-states using MWAIT 2006-10-14 00:35:39 -04:00
asm-alpha [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-arm [ARM] 3890/1: [Jornada7xx] Addition of MCU commands into jornada720.h 2006-10-14 16:02:00 +01:00
asm-arm26 fix file specification in comments 2006-10-03 23:01:26 +02:00
asm-avr32 [PATCH] IRQ: Fix AVR32 breakage 2006-10-11 11:14:14 -07:00
asm-cris [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-frv [PATCH] FRV: Use the correct preemption primitives in kmap_atomic() and co 2006-10-16 08:32:29 -07:00
asm-generic [PATCH] sched: likely profiling 2006-10-11 11:14:22 -07:00
asm-h8300 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-i386 ACPI: Processor native C-states using MWAIT 2006-10-14 00:35:39 -04:00
asm-ia64 [PATCH] ia64/sn __iomem annotations 2006-10-10 15:37:22 -07:00
asm-m32r [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-m68k [PATCH] sun3_ioremap() prototype 2006-10-15 11:00:58 -07:00
asm-m68knommu [PATCH] m68knommu: sync syscalls with m68k 2006-10-13 08:35:39 -07:00
asm-mips Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus 2006-10-11 15:30:14 -07:00
asm-parisc [PARISC] pdc_init no longer exists 2006-10-07 05:22:30 -06:00
asm-powerpc [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-ppc [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-s390 [S390] Fix pte type checking. 2006-10-18 18:30:51 +02:00
asm-sh Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6 2006-10-12 08:33:23 -07:00
asm-sh64 [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-sparc IRQ: Use the new typedef for interrupt handler function pointers 2006-10-09 12:19:47 +01:00
asm-sparc64 [PATCH] Consolidate check_signature 2006-10-11 11:14:23 -07:00
asm-um [PATCH] um: irq changes break build 2006-10-06 08:53:42 -07:00
asm-v850 [PATCH] remove remaining errno and __KERNEL_SYSCALLS__ references 2006-10-02 07:57:23 -07:00
asm-x86_64 ACPI: Processor native C-states using MWAIT 2006-10-14 00:35:39 -04:00
asm-xtensa fix file specification in comments 2006-10-03 23:01:26 +02:00
crypto
keys
linux Merge git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2006-10-17 08:56:43 -07:00
math-emu
media V4L/DVB (4666): Ensure the WM8775 driver is loaded generically for any board. 2006-10-03 15:13:48 -03:00
mtd Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-10-01 17:55:53 +01:00
net [Bluetooth] Support concurrent connect requests 2006-10-15 23:14:30 -07:00
pcmcia
rdma
rxrpc
scsi Merge master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6 2006-10-04 18:57:35 -07:00
sound [ALSA] version 1.0.13 2006-10-06 20:28:26 +02:00
video fix file specification in comments 2006-10-03 23:01:26 +02:00
Kbuild