Hello everyone,
On Fri, Jan 05, 2018 at 02:32:17PM +0100, Greg Kroah-Hartman wrote:
> On Thu, Jan 04, 2018 at 07:50:33PM +0100, Borislav Petkov wrote:
> > On Thu, Jan 04, 2018 at 07:34:30PM +0100, Andrea Arcangeli wrote:
> > > void spec_ctrl_rescan_cpuid(void)
> > > {
> > > int cpu;
> > >
> > >
On Fri, Jan 05, 2018 at 02:37:17PM +0100, Borislav Petkov wrote:
> On Fri, Jan 05, 2018 at 02:32:17PM +0100, Greg KH wrote:
> > Does it really matter? Rescanning everything can't hurt here, and it
> > shouldn't be noticable in any boot time chart. I feel like arguing
> > about tiny stuff like thi
On Fri, Jan 05, 2018 at 02:32:17PM +0100, Greg KH wrote:
> Does it really matter? Rescanning everything can't hurt here, and it
> shouldn't be noticable in any boot time chart. I feel like arguing
> about tiny stuff like this takes away from the obvious other problems
> this whole patch series ha
On Thu, Jan 04, 2018 at 07:50:33PM +0100, Borislav Petkov wrote:
> On Thu, Jan 04, 2018 at 07:34:30PM +0100, Andrea Arcangeli wrote:
> > void spec_ctrl_rescan_cpuid(void)
> > {
> > int cpu;
> >
> > if (use_ibp_disable)
> > return;
> > mutex_lock(&spec_ctrl_mutex);
> > i
On 01/04/2018 10:50 AM, Borislav Petkov wrote:
> On Thu, Jan 04, 2018 at 07:34:30PM +0100, Andrea Arcangeli wrote:
>> void spec_ctrl_rescan_cpuid(void)
>> {
>> int cpu;
>>
>> if (use_ibp_disable)
>> return;
>> mutex_lock(&spec_ctrl_mutex);
>> if (boot_cpu_data.x86_v
On Thu, Jan 04, 2018 at 07:34:30PM +0100, Andrea Arcangeli wrote:
> void spec_ctrl_rescan_cpuid(void)
> {
> int cpu;
>
> if (use_ibp_disable)
> return;
> mutex_lock(&spec_ctrl_mutex);
> if (boot_cpu_data.x86_vendor == X86_VENDOR_INTEL ||
> boot_cpu_d
On Thu, Jan 04, 2018 at 07:28:58PM +0100, Borislav Petkov wrote:
> On Thu, Jan 04, 2018 at 09:56:48AM -0800, Tim Chen wrote:
> > On new microcode write, check whether IBRS
> > is present by rescanning scattered CPU features.
> >
> > Signed-off-by: Tim Chen
> > ---
> > arch/x86/kernel/cpu/microco
On Thu, Jan 04, 2018 at 09:56:48AM -0800, Tim Chen wrote:
> On new microcode write, check whether IBRS
> is present by rescanning scattered CPU features.
>
> Signed-off-by: Tim Chen
> ---
> arch/x86/kernel/cpu/microcode/core.c | 6 ++
> 1 file changed, 6 insertions(+)
>
> diff --git a/arch/
On new microcode write, check whether IBRS
is present by rescanning scattered CPU features.
Signed-off-by: Tim Chen
---
arch/x86/kernel/cpu/microcode/core.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/arch/x86/kernel/cpu/microcode/core.c
b/arch/x86/kernel/cpu/microcode/core.c
inde
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