On 23/07/18 15:48, Andrew Cooper wrote: > The calls to xpti_init_default() in parse_xpti() are buggy. The CPUID data > hasn't been fetched that early, and boot_cpu_has(X86_FEATURE_ARCH_CAPS) will > always evaluate false. > > As a result, the default case won't disable XPTI on Intel hardware which > advertises ARCH_CAPABILITIES_RDCL_NO. > > Simplify parse_xpti() to solely the setting of opt_xpti according to the > passed string, and have init_speculation_mitigations() call > xpti_init_default() if appropiate. Drop the force parameter, and pass caps > instead, to avoid redundant re-reading of MSR_ARCH_CAPS. > > Signed-off-by: Andrew Cooper <andrew.coop...@citrix.com>
Reviewed-by: Juergen Gross <jgr...@suse.com> Juergen _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
