linux/arch/powerpc
Simon Guo 95757bfc72 KVM: PPC: Book3S PR: Sync TM bits to shadow msr for problem state guest
MSR TS bits can be modified with non-privileged instruction such as
tbegin./tend.  That means guest can change MSR value "silently" without
notifying host.

It is necessary to sync the TM bits to host so that host can calculate
shadow msr correctly.

Note, privileged mode in the guest will always fail transactions so we
only take care of problem state mode in the guest.

The logic is put into kvmppc_copy_from_svcpu() so that
kvmppc_handle_exit_pr() can use correct MSR TM bits even when preemption
occurs.

Signed-off-by: Simon Guo <wei.guo.simon@gmail.com>
Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
2018-06-01 10:29:33 +10:00
..
boot powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
configs scsi: remove the fdomain and fdomain_cs drivers 2018-03-19 22:54:47 -04:00
crypto crypto: hash - annotate algorithms taking optional key 2018-01-12 23:03:35 +11:00
include KVM: PPC: Book3S PR: Add C function wrapper for _kvmppc_save/restore_tm() 2018-06-01 10:29:17 +10:00
kernel Merge remote-tracking branch 'remotes/powerpc/topic/ppc-kvm' into kvm-ppc-next 2018-05-31 09:27:10 +10:00
kvm KVM: PPC: Book3S PR: Sync TM bits to shadow msr for problem state guest 2018-06-01 10:29:33 +10:00
lib powerpc/lib: Fix off-by-one in alternate feature patching 2018-04-17 00:37:48 +10:00
math-emu License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm powerpc: Export tm_enable()/tm_disable/tm_abort() APIs 2018-05-24 16:04:02 +10:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-03-05 11:29:24 -08:00
oprofile powerpc: Use sizeof(*foo) rather than sizeof(struct foo) 2018-03-20 16:47:53 +11:00
perf powerpc updates for 4.17 2018-04-07 12:08:19 -07:00
platforms powerpc/reg: Add TEXASR related macros 2018-05-24 16:03:36 +10:00
purgatory License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
sysdev powerpc/xive: Fix trying to "push" an already active pool VP 2018-04-19 00:49:45 +10:00
tools License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
xmon Merge branch 'topic/paca' into next 2018-03-31 09:09:36 +11:00
Kconfig kexec_file: make use of purgatory optional 2018-04-13 17:10:27 -07:00
Kconfig.debug powerpc: Add new kconfig CONFIG_PPC_IRQ_SOFT_MASK_DEBUG 2018-01-19 22:37:03 +11:00
Makefile powerpc/64s: Add POWER9 CPU type selection 2018-04-01 22:15:32 +10:00
Makefile.postlink License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00