On 01/18/2018 11:41 PM, Zoltan HERPAI wrote: > > > On Thu, 18 Jan 2018, Hauke Mehrtens wrote: > >> On 01/18/2018 01:51 PM, Nick Lowe wrote: >>> Does an update to the Kernel, 4.9.77 and 4.14.14 need to be made to >>> properly address this? There are fixes to mitigate Spectre. >> >> We even need a patch for GCC which will be in GCC 8 and 7.3. >> For master we should backport it to GCC 5.5, but what do we want to do >> with 17.01 and 15.05 ? > > I'll speak only of CC - there is no microcode updater in it at all, so > while 3.18 contains partial patches and GCC 4.8 is unlikely to get > fixed, we should add this facility into it anyway.
I am fine with your solution when we do not fix all possible problems as it is hard to exploit it anyway and most processes are anyway running as root. >> The AMD microcoded updater needs at least kernel 4.15, 4.14.13, 4.9.76, >> 4.4.111 which we already have. > > That's only for the fam17h (Zen) CPUs, earlier CPU types should work > with earlier kernels, and this can likely be backported into 3.18. (I > don't have a Zen-based box to test, hands up whoever has one.) Hauke _______________________________________________ openwrt-devel mailing list openwrt-devel@lists.openwrt.org https://lists.openwrt.org/cgi-bin/mailman/listinfo/openwrt-devel
