Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Mike Travis
On 10/12/2017 8:22 AM, Thomas Gleixner wrote: On Thu, 12 Oct 2017, Mike Travis wrote: On 10/12/2017 4:17 AM, Thomas Gleixner wrote: On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: @@ -89,6 +93,10 @@ bool tsc_store_and_check_tsc_adjust(bool if (!boot_cpu_has(X86_FEATURE_TSC_ADJUST))

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Mike Travis
On 10/12/2017 8:22 AM, Thomas Gleixner wrote: On Thu, 12 Oct 2017, Mike Travis wrote: On 10/12/2017 4:17 AM, Thomas Gleixner wrote: On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: @@ -89,6 +93,10 @@ bool tsc_store_and_check_tsc_adjust(bool if (!boot_cpu_has(X86_FEATURE_TSC_ADJUST))

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson Reviewed-by: Peter Zijlstra --- v2: Add check_tsc_unstable to

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Thomas Gleixner
On Thu, 12 Oct 2017, Mike Travis wrote: > On 10/12/2017 4:17 AM, Thomas Gleixner wrote: > > On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: > > > @@ -89,6 +93,10 @@ bool tsc_store_and_check_tsc_adjust(bool > > > if (!boot_cpu_has(X86_FEATURE_TSC_ADJUST)) > > > return

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Thomas Gleixner
On Thu, 12 Oct 2017, Mike Travis wrote: > On 10/12/2017 4:17 AM, Thomas Gleixner wrote: > > On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: > > > @@ -89,6 +93,10 @@ bool tsc_store_and_check_tsc_adjust(bool > > > if (!boot_cpu_has(X86_FEATURE_TSC_ADJUST)) > > > return

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Mike Travis
On 10/12/2017 4:17 AM, Thomas Gleixner wrote: On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Mike Travis
On 10/12/2017 4:17 AM, Thomas Gleixner wrote: On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Thomas Gleixner
On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: > If the TSC has already been determined to be unstable, then checking > TSC ADJUST values is a waste of time and generates unnecessary error > messages. > > Signed-off-by: Mike Travis > Reviewed-by: Dimitri Sivanich

Re: [PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-12 Thread Thomas Gleixner
On Thu, 5 Oct 2017, mike.tra...@hpe.com wrote: > If the TSC has already been determined to be unstable, then checking > TSC ADJUST values is a waste of time and generates unnecessary error > messages. > > Signed-off-by: Mike Travis > Reviewed-by: Dimitri Sivanich > Reviewed-by: Russ Anderson

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-05 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-05 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson Reviewed-by: Peter Zijlstra --- arch/x86/kernel/tsc_sync.c |

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-02 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson

[PATCH 2/5] x86/kernel: Skip TSC test and error messages if already unstable

2017-10-02 Thread mike.travis
If the TSC has already been determined to be unstable, then checking TSC ADJUST values is a waste of time and generates unnecessary error messages. Signed-off-by: Mike Travis Reviewed-by: Dimitri Sivanich Reviewed-by: Russ Anderson Reviewed-by: Peter Zijlstra --- arch/x86/kernel/tsc_sync.c |