Martin Schwidefsky 02a8f3abb7 s390/mm,tlb: safeguard against speculative TLB creation ... The principles of operations states that the CPU is allowed to create TLB entries for an address space anytime while an ASCE is loaded to the control register. This is true even if the CPU is running in the kernel and the user address space is not (actively) accessed. In theory this can affect two aspects of the TLB flush logic. For full-mm flushes the ASCE of the dying process is still attached. The approach to flush first with IDTE and then just free all page tables can in theory lead to stale TLB entries. Use the batched free of page tables for the full-mm flushes as well. For operations that can have a stale ASCE in the control register, e.g. a delayed update_user_asce in switch_mm, load the kernel ASCE to prevent invalid TLBs from being created. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2014-04-03 14:30:55 +02:00
..
alpha	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
arc	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
arm	Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata	2014-03-31 15:27:37 -07:00
arm64	Merge branch 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata	2014-03-31 15:27:37 -07:00
avr32	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
blackfin	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
c6x	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
cris	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
frv	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
hexagon	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
ia64	Miscellaneous ia64 fixes for 3.15 merge window	2014-03-31 15:01:16 -07:00
m32r	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
m68k	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k	2014-03-31 15:00:32 -07:00
metag	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
microblaze	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
mips	Merge branch 'compat' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2014-03-31 14:32:17 -07:00
mn10300	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
openrisc	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
parisc	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
powerpc	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 11:21:19 -07:00
s390	s390/mm,tlb: safeguard against speculative TLB creation	2014-04-03 14:30:55 +02:00
score	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
sh	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 11:21:19 -07:00
sparc	Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 11:21:19 -07:00
tile	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
um	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
unicore32	locking/mcs: Allow architecture specific asm files to be used for contended case	2014-02-09 21:18:52 +01:00
x86	Merge branch 'compat' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux	2014-03-31 14:32:17 -07:00
xtensa	Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip	2014-03-31 10:59:39 -07:00
.gitignore	…
Kconfig	…