Re: [PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-14 Thread Will Deacon
On Fri, Dec 14, 2018 at 11:28:16AM +, Dave Martin wrote: > On Fri, Dec 14, 2018 at 10:41:42AM +, Steven Price wrote: > > On 14/12/2018 10:36, Will Deacon wrote: > > > On Fri, Dec 14, 2018 at 10:34:31AM +, Steven Price wrote: > > >> On 06/12/2018 23:44, Jeremy Linton wrote: > > >>> From:

Re: [PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-14 Thread Dave Martin
On Fri, Dec 14, 2018 at 10:41:42AM +, Steven Price wrote: > On 14/12/2018 10:36, Will Deacon wrote: > > On Fri, Dec 14, 2018 at 10:34:31AM +, Steven Price wrote: > >> On 06/12/2018 23:44, Jeremy Linton wrote: > >>> From: Mian Yousaf Kaukab > >>> > >>> Return status based no ssbd_state and

Re: [PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-14 Thread Steven Price
On 14/12/2018 10:36, Will Deacon wrote: > On Fri, Dec 14, 2018 at 10:34:31AM +, Steven Price wrote: >> On 06/12/2018 23:44, Jeremy Linton wrote: >>> From: Mian Yousaf Kaukab >>> >>> Return status based no ssbd_state and the arm64 SSBS feature. >> ^^ on >> >>> Return strin

Re: [PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-14 Thread Will Deacon
On Fri, Dec 14, 2018 at 10:34:31AM +, Steven Price wrote: > On 06/12/2018 23:44, Jeremy Linton wrote: > > From: Mian Yousaf Kaukab > > > > Return status based no ssbd_state and the arm64 SSBS feature. > ^^ on > > > Return string "Unknown" in case CONFIG_ARM64_SSBD is >

Re: [PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-14 Thread Steven Price
On 06/12/2018 23:44, Jeremy Linton wrote: > From: Mian Yousaf Kaukab > > Return status based no ssbd_state and the arm64 SSBS feature. ^^ on > Return string "Unknown" in case CONFIG_ARM64_SSBD is > disabled or arch workaround2 is not available > in the firmware. > > Signed

[PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-12-06 Thread Jeremy Linton
From: Mian Yousaf Kaukab Return status based no ssbd_state and the arm64 SSBS feature. Return string "Unknown" in case CONFIG_ARM64_SSBD is disabled or arch workaround2 is not available in the firmware. Signed-off-by: Mian Yousaf Kaukab [Added SSBS logic] Signed-off-by: Jeremy Linton --- arch

[PATCH 5/6] arm64: add sysfs vulnerability show for speculative store bypass

2018-08-07 Thread Mian Yousaf Kaukab
Return status based no ssbd_state. Return string "Unknown" in case CONFIG_ARM64_SSBD is disabled or arch workaround2 is not available in the firmware. Signed-off-by: Mian Yousaf Kaukab --- arch/arm64/kernel/cpu_errata.c | 20 1 file changed, 20 insertions(+) diff --git a/ar