On Wed, Feb 14, 2018 at 04:07:29PM +0100, Frédéric Bonnard wrote: > Source: linux > Source-Version: 4.9.65-3+deb9u2 > Tags: patch > > -- > > Hi, > beginning January a patch series has been sent on the LKML which include > a patch to prevent the Meltdown vulnerability on some Power machines : > https://lkml.org/lkml/2018/1/8/649 > This series has been upstreamed and a few days ago, the backport to 4.9 > stable kernel been included : > https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git/log/?h=linux-4.9.y&qt=grep&q=powerpc > > powerpc/64s: Allow control of RFI flush via debugfs > powerpc/64s: Wire up cpu_show_meltdown() > powerpc/powernv: Check device-tree for RFI flush settings > powerpc/pseries: Query hypervisor for RFI flush settings > powerpc/64s: Support disabling RFI flush with no_rfi_flush and nopti > powerpc/64s: Add support for RFI flush of L1-D cache > powerpc/64s: Convert slb_miss_common to use RFI_TO_USER/KERNEL > powerpc/64: Convert the syscall exit path to use RFI_TO_USER/KERNEL > powerpc/64: Convert fast_exception_return to use RFI_TO_USER/KERNEL > powerpc/64: Add macros for annotating the destination of rfid/hrfid > powerpc/pseries: Add H_GET_CPU_CHARACTERISTICS flags & wrapper > > This will be available in 4.9.81 but given the CVE associated ( > https://security-tracker.debian.org/tracker/CVE-2017-5754 ) it may be > included in debian stable 4.9.65-3+deb9u2 maybe ? > Regards,
We're rebasing to the latest 4.9.x kernel from time to time (current s-p-u has 4.9.80, but we'll probably update again), so this will also reach stretch at some point. Cheers, Moritz