* [PATCH v2 stable v4.4 1/2] powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
@ 2019-04-30 12:42 ` Diana Craciun
0 siblings, 0 replies; 8+ messages in thread
From: Diana Craciun @ 2019-04-30 12:42 UTC (permalink / raw)
To: stable, gregkh; +Cc: linuxppc-dev, mpe, Diana Craciun
commit e59f5bd759b7dee57593c5b6c0441609bda5d530 upstream.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
Documentation/kernel-parameters.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index da515c535e62..f0bdf78420a0 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2450,7 +2450,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
- nospectre_v2 [X86] Disable all mitigations for the Spectre variant 2
+ nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
allow data leaks with this option, which is equivalent
to spectre_v2=off.
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 stable v4.4 1/2] powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg
@ 2019-04-30 12:42 ` Diana Craciun
0 siblings, 0 replies; 8+ messages in thread
From: Diana Craciun @ 2019-04-30 12:42 UTC (permalink / raw)
To: stable, gregkh; +Cc: Diana Craciun, linuxppc-dev
commit e59f5bd759b7dee57593c5b6c0441609bda5d530 upstream.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
Documentation/kernel-parameters.txt | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index da515c535e62..f0bdf78420a0 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2450,7 +2450,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
- nospectre_v2 [X86] Disable all mitigations for the Spectre variant 2
+ nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
allow data leaks with this option, which is equivalent
to spectre_v2=off.
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
2019-04-30 12:42 ` Diana Craciun
@ 2019-04-30 12:42 ` Diana Craciun
-1 siblings, 0 replies; 8+ messages in thread
From: Diana Craciun @ 2019-04-30 12:42 UTC (permalink / raw)
To: stable, gregkh; +Cc: linuxppc-dev, mpe, Diana Craciun
commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
Currently only supported on powerpc.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
Documentation/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f0bdf78420a0..3ff87d5d6fea 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
legacy floating-point registers on task switch.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
+
+ nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
+ check bypass). With this option data leaks are possible
+ in the system.
nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
@ 2019-04-30 12:42 ` Diana Craciun
0 siblings, 0 replies; 8+ messages in thread
From: Diana Craciun @ 2019-04-30 12:42 UTC (permalink / raw)
To: stable, gregkh; +Cc: Diana Craciun, linuxppc-dev
commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
Currently only supported on powerpc.
Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---
Documentation/kernel-parameters.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index f0bdf78420a0..3ff87d5d6fea 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
legacy floating-point registers on task switch.
nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
+
+ nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
+ check bypass). With this option data leaks are possible
+ in the system.
nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
(indirect branch prediction) vulnerability. System may
--
2.17.1
^ permalink raw reply related [flat|nested] 8+ messages in thread
* Re: [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
2019-04-30 12:42 ` Diana Craciun
@ 2019-04-30 13:23 ` Greg KH
-1 siblings, 0 replies; 8+ messages in thread
From: Greg KH @ 2019-04-30 13:23 UTC (permalink / raw)
To: Diana Craciun; +Cc: stable, linuxppc-dev, mpe
On Tue, Apr 30, 2019 at 03:42:27PM +0300, Diana Craciun wrote:
> commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
>
> Currently only supported on powerpc.
>
> Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
> Documentation/kernel-parameters.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index f0bdf78420a0..3ff87d5d6fea 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> legacy floating-point registers on task switch.
>
> nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
> +
Trailing whitespace :(
Fix up your editor to flag this as RED or something. I'll go fix it
up...
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
@ 2019-04-30 13:23 ` Greg KH
0 siblings, 0 replies; 8+ messages in thread
From: Greg KH @ 2019-04-30 13:23 UTC (permalink / raw)
To: Diana Craciun; +Cc: linuxppc-dev, stable
On Tue, Apr 30, 2019 at 03:42:27PM +0300, Diana Craciun wrote:
> commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
>
> Currently only supported on powerpc.
>
> Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
> Documentation/kernel-parameters.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index f0bdf78420a0..3ff87d5d6fea 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> legacy floating-point registers on task switch.
>
> nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
> +
Trailing whitespace :(
Fix up your editor to flag this as RED or something. I'll go fix it
up...
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
2019-04-30 12:42 ` Diana Craciun
@ 2019-04-30 13:25 ` Greg KH
-1 siblings, 0 replies; 8+ messages in thread
From: Greg KH @ 2019-04-30 13:25 UTC (permalink / raw)
To: Diana Craciun; +Cc: stable, linuxppc-dev, mpe
On Tue, Apr 30, 2019 at 03:42:27PM +0300, Diana Craciun wrote:
> commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
>
> Currently only supported on powerpc.
>
> Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
> Documentation/kernel-parameters.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index f0bdf78420a0..3ff87d5d6fea 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> legacy floating-point registers on task switch.
>
> nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
> +
> + nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
> + check bypass). With this option data leaks are possible
> + in the system.
>
> nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
> (indirect branch prediction) vulnerability. System may
> --
> 2.17.1
>
Both of these patches needed to be added to a bunch of the stable trees,
so I've now done that.
thanks,
greg k-h
^ permalink raw reply [flat|nested] 8+ messages in thread
* Re: [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter
@ 2019-04-30 13:25 ` Greg KH
0 siblings, 0 replies; 8+ messages in thread
From: Greg KH @ 2019-04-30 13:25 UTC (permalink / raw)
To: Diana Craciun; +Cc: linuxppc-dev, stable
On Tue, Apr 30, 2019 at 03:42:27PM +0300, Diana Craciun wrote:
> commit 26cb1f36c43ee6e89d2a9f48a5a7500d5248f836 upstream.
>
> Currently only supported on powerpc.
>
> Signed-off-by: Diana Craciun <diana.craciun@nxp.com>
> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
> ---
> Documentation/kernel-parameters.txt | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
> index f0bdf78420a0..3ff87d5d6fea 100644
> --- a/Documentation/kernel-parameters.txt
> +++ b/Documentation/kernel-parameters.txt
> @@ -2449,6 +2449,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
> legacy floating-point registers on task switch.
>
> nohugeiomap [KNL,x86] Disable kernel huge I/O mappings.
> +
> + nospectre_v1 [PPC] Disable mitigations for Spectre Variant 1 (bounds
> + check bypass). With this option data leaks are possible
> + in the system.
>
> nospectre_v2 [X86,PPC_FSL_BOOK3E] Disable all mitigations for the Spectre variant 2
> (indirect branch prediction) vulnerability. System may
> --
> 2.17.1
>
Both of these patches needed to be added to a bunch of the stable trees,
so I've now done that.
thanks,
greg k-h
^ permalink raw reply [flat|nested] 8+ messages in thread
end of thread, other threads:[~2019-04-30 13:29 UTC | newest]
Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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2019-04-30 12:42 [PATCH v2 stable v4.4 1/2] powerpc/fsl: Add FSL_PPC_BOOK3E as supported arch for nospectre_v2 boot arg Diana Craciun
2019-04-30 12:42 ` Diana Craciun
2019-04-30 12:42 ` [PATCH v2 stable v4.4 2/2] Documentation: Add nospectre_v1 parameter Diana Craciun
2019-04-30 12:42 ` Diana Craciun
2019-04-30 13:23 ` Greg KH
2019-04-30 13:23 ` Greg KH
2019-04-30 13:25 ` Greg KH
2019-04-30 13:25 ` Greg KH
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