path: root/Documentation
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authorLinus Torvalds <>2016-08-29 12:12:15 -0700
committerLinus Torvalds <>2016-08-29 12:12:15 -0700
commit2a90309e062382ca0bd10bc2004abcab8fa0944b (patch)
tree68c254cd3c0f2088431556524db64ccfe56fd715 /Documentation
parent3eab887a55424fc2c27553b7bfe32330df83f7b8 (diff)
parent78a3e8889b4b6b99775ed954696ff3e017f5d19b (diff)
Merge tag 'powerpc-4.8-4' of git://
Pull powerpc fixes from Ben Herrenschmidt: "This was meant to be sent early last week, but I has a change pending on one of the fixes and other things made me forget all about. Ugh. We have some misc fixes for powerpc 4.8. Some trivial bits and some regressions, and a trivial cleanup or two that I saw no point in letting rot in patchwork" * tag 'powerpc-4.8-4' of git:// powerpc: signals: Discard transaction state from signal frames powerpc/powernv : Drop reference added by kset_find_obj() powerpc/tm: do not use r13 for tabort_syscall powerpc: move hmi.c to arch/powerpc/kvm/ powerpc: sysdev: cpm: fix gpio save_regs functions powerpc/pseries: PACA save area fix for MCE vs MCE powerpc/pseries: PACA save area fix for general exception vs MCE powerpc/prom: Fix sub-processor option passed to ibm, client-architecture-support powerpc, hotplug: Avoid to touch non-existent cpumasks. powerpc: migrate exception table users off module.h and onto extable.h powerpc/powernv/pci: fix iterator signedness powerpc/pseries: use pci_host_bridge.release_fn() to kfree(phb) cxl: use pcibios_free_controller_deferred() when removing vPHBs powerpc: mpc8349emitx: Delete unnecessary assignment for the field "owner" powerpc/512x: Delete unnecessary assignment for the field "owner" drivers/macintosh: Delete owner assignment powerpc: cputhreads: Add missing include file
Diffstat (limited to 'Documentation')
1 files changed, 2 insertions, 0 deletions
diff --git a/Documentation/powerpc/transactional_memory.txt b/Documentation/powerpc/transactional_memory.txt
index ba0a2a4a54ba..e32fdbb4c9a7 100644
--- a/Documentation/powerpc/transactional_memory.txt
+++ b/Documentation/powerpc/transactional_memory.txt
@@ -167,6 +167,8 @@ signal will be rolled back anyway.
For signals taken in non-TM or suspended mode, we use the
normal/non-checkpointed stack pointer.
+Any transaction initiated inside a sighandler and suspended on return
+from the sighandler to the kernel will get reclaimed and discarded.
Failure cause codes used by kernel