Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-03-05 Thread Tom Lendacky
On 2/28/2018 4:28 AM, Borislav Petkov wrote: > From: Ashok Raj > > Avoid loading microcode if any of the CPUs are offline, and issue a > warning. Having different microcode revisions on the system at any time > is outright dangerous. > > Signed-off-by: Ashok Raj

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-03-05 Thread Tom Lendacky
On 2/28/2018 4:28 AM, Borislav Petkov wrote: > From: Ashok Raj > > Avoid loading microcode if any of the CPUs are offline, and issue a > warning. Having different microcode revisions on the system at any time > is outright dangerous. > > Signed-off-by: Ashok Raj > Cc: x86-ml > Link: >

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Henrique de Moraes Holschuh
On Wed, 28 Feb 2018, Raj, Ashok wrote: > On Wed, Feb 28, 2018 at 10:11:56AM -0300, Henrique de Moraes Holschuh wrote: > > > Avoid loading microcode if any of the CPUs are offline, and issue a > > > warning. Having different microcode revisions on the system at any time > > > is outright dangerous.

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Henrique de Moraes Holschuh
On Wed, 28 Feb 2018, Raj, Ashok wrote: > On Wed, Feb 28, 2018 at 10:11:56AM -0300, Henrique de Moraes Holschuh wrote: > > > Avoid loading microcode if any of the CPUs are offline, and issue a > > > warning. Having different microcode revisions on the system at any time > > > is outright dangerous.

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Raj, Ashok
On Wed, Feb 28, 2018 at 10:11:56AM -0300, Henrique de Moraes Holschuh wrote: > > Avoid loading microcode if any of the CPUs are offline, and issue a > > warning. Having different microcode revisions on the system at any time > > is outright dangerous. > > Even if we update that microcode during

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Raj, Ashok
On Wed, Feb 28, 2018 at 10:11:56AM -0300, Henrique de Moraes Holschuh wrote: > > Avoid loading microcode if any of the CPUs are offline, and issue a > > warning. Having different microcode revisions on the system at any time > > is outright dangerous. > > Even if we update that microcode during

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Henrique de Moraes Holschuh
On Wed, 28 Feb 2018, Borislav Petkov wrote: > Avoid loading microcode if any of the CPUs are offline, and issue a > warning. Having different microcode revisions on the system at any time > is outright dangerous. Even if we update that microcode during CPU early bring-up, before we mark it

Re: [PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Henrique de Moraes Holschuh
On Wed, 28 Feb 2018, Borislav Petkov wrote: > Avoid loading microcode if any of the CPUs are offline, and issue a > warning. Having different microcode revisions on the system at any time > is outright dangerous. Even if we update that microcode during CPU early bring-up, before we mark it

[PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Borislav Petkov
From: Ashok Raj Avoid loading microcode if any of the CPUs are offline, and issue a warning. Having different microcode revisions on the system at any time is outright dangerous. Signed-off-by: Ashok Raj Cc: x86-ml Link:

[PATCH 4/7] x86/microcode: Do not upload microcode if CPUs are offline

2018-02-28 Thread Borislav Petkov
From: Ashok Raj Avoid loading microcode if any of the CPUs are offline, and issue a warning. Having different microcode revisions on the system at any time is outright dangerous. Signed-off-by: Ashok Raj Cc: x86-ml Link: