Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Greg KH
On Thu, Sep 13, 2018 at 02:19:51PM +0200, Greg KH wrote: > On Thu, Sep 13, 2018 at 10:54:06AM +0100, Suzuki K Poulose wrote: > > Hi Greg, > > > > On 12/09/18 20:38, Greg KH wrote: > > > On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > > > > commit

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Greg KH
On Thu, Sep 13, 2018 at 02:19:51PM +0200, Greg KH wrote: > On Thu, Sep 13, 2018 at 10:54:06AM +0100, Suzuki K Poulose wrote: > > Hi Greg, > > > > On 12/09/18 20:38, Greg KH wrote: > > > On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > > > > commit

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Greg KH
On Thu, Sep 13, 2018 at 10:54:06AM +0100, Suzuki K Poulose wrote: > Hi Greg, > > On 12/09/18 20:38, Greg KH wrote: > > On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > > > commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream > > > > > > If there is a mismatch in the I/D

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Greg KH
On Thu, Sep 13, 2018 at 10:54:06AM +0100, Suzuki K Poulose wrote: > Hi Greg, > > On 12/09/18 20:38, Greg KH wrote: > > On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > > > commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream > > > > > > If there is a mismatch in the I/D

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Suzuki K Poulose
Hi Greg, On 12/09/18 20:38, Greg KH wrote: On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream If there is a mismatch in the I/D min line size, we must always use the system wide safe value both in applications and in the

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-13 Thread Suzuki K Poulose
Hi Greg, On 12/09/18 20:38, Greg KH wrote: On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream If there is a mismatch in the I/D min line size, we must always use the system wide safe value both in applications and in the

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-12 Thread Greg KH
On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream > > If there is a mismatch in the I/D min line size, we must > always use the system wide safe value both in applications > and in the kernel, while performing cache

Re: [stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-12 Thread Greg KH
On Tue, Sep 04, 2018 at 10:10:09AM +0100, Suzuki K Poulose wrote: > commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream > > If there is a mismatch in the I/D min line size, we must > always use the system wide safe value both in applications > and in the kernel, while performing cache

[stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-04 Thread Suzuki K Poulose
commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream If there is a mismatch in the I/D min line size, we must always use the system wide safe value both in applications and in the kernel, while performing cache operations. However, we have been checking more bits than just the min line sizes,

[stable PATCH 1/2] arm64: Fix mismatched cache line size detection

2018-09-04 Thread Suzuki K Poulose
commit 4c4a39dd5fe2d13e2d2fa5fceb8ef95d19fc389a upstream If there is a mismatch in the I/D min line size, we must always use the system wide safe value both in applications and in the kernel, while performing cache operations. However, we have been checking more bits than just the min line sizes,