From: Andre Przywara
The Way Access Filter in recent AMD CPUs may hurt the performance of
some workloads, caused by aliasing issues in the L1 cache.
This patch disables it on the affected CPUs.
The issue is similar to that one of last year:
From: Andre Przywara andre.przyw...@amd.com
The Way Access Filter in recent AMD CPUs may hurt the performance of
some workloads, caused by aliasing issues in the L1 cache.
This patch disables it on the affected CPUs.
The issue is similar to that one of last year:
* Andre Przywara wrote:
> On 10/24/2012 12:46 PM, Ingo Molnar wrote:
> >
> >* Andre Przywara wrote:
> >
> >>The WAF may hurt the performance of some workloads, caused by
> >>aliasing issues in the L1 cache.
> >>Disable it on the affected CPUs.
> >>
> >>Signed-off-by: Andre Przywara
> >>---
>
* Andre Przywara andre.przyw...@amd.com wrote:
On 10/24/2012 12:46 PM, Ingo Molnar wrote:
* Andre Przywara andre.przyw...@amd.com wrote:
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by:
On 10/24/2012 12:46 PM, Ingo Molnar wrote:
* Andre Przywara wrote:
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by: Andre Przywara
---
arch/x86/kernel/cpu/amd.c | 14 ++
1 file
* Andre Przywara wrote:
> The WAF may hurt the performance of some workloads, caused by
> aliasing issues in the L1 cache.
> Disable it on the affected CPUs.
>
> Signed-off-by: Andre Przywara
> ---
> arch/x86/kernel/cpu/amd.c | 14 ++
> 1 file changed, 14 insertions(+)
>
> diff
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by: Andre Przywara
---
arch/x86/kernel/cpu/amd.c | 14 ++
1 file changed, 14 insertions(+)
diff --git a/arch/x86/kernel/cpu/amd.c
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by: Andre Przywara andre.przyw...@amd.com
---
arch/x86/kernel/cpu/amd.c | 14 ++
1 file changed, 14 insertions(+)
diff --git
* Andre Przywara andre.przyw...@amd.com wrote:
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by: Andre Przywara andre.przyw...@amd.com
---
arch/x86/kernel/cpu/amd.c | 14 ++
1 file
On 10/24/2012 12:46 PM, Ingo Molnar wrote:
* Andre Przywara andre.przyw...@amd.com wrote:
The WAF may hurt the performance of some workloads, caused by
aliasing issues in the L1 cache.
Disable it on the affected CPUs.
Signed-off-by: Andre Przywara andre.przyw...@amd.com
---
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