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* [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size
@ 2020-04-02  0:15 Sarthak Kukreti
  2020-04-02  7:10 ` Kees Cook
  2020-04-14 13:14 ` Enric Balletbo i Serra
  0 siblings, 2 replies; 3+ messages in thread
From: Sarthak Kukreti @ 2020-04-02  0:15 UTC (permalink / raw)
  To: bleung, enric.balletbo
  Cc: keescook, anton, linux-kernel, ccross, tony.luck, gwendal,
	Sarthak Kukreti

On x86 ChromiumOS devices, the pmsg_size is set to 0 (check
/sys/module/ramoops/parameters/pmsg_size): this prevents use of
pstore-pmsg, even if CONFIG_PSTORE_PMSG is enabled. Set pmsg_size
to a value that is consistent with the size used on non-x86 ChromiumOS
devices.

Signed-off-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
---
 drivers/platform/chrome/chromeos_pstore.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c
index d13770785fb5..82dea8cb5da1 100644
--- a/drivers/platform/chrome/chromeos_pstore.c
+++ b/drivers/platform/chrome/chromeos_pstore.c
@@ -57,6 +57,7 @@ static struct ramoops_platform_data chromeos_ramoops_data = {
 	.record_size	= 0x40000,
 	.console_size	= 0x20000,
 	.ftrace_size	= 0x20000,
+	.pmsg_size	= 0x20000,
 	.dump_oops	= 1,
 };
 
-- 
2.26.0.rc2.310.g2932bb562d-goog


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size
  2020-04-02  0:15 [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size Sarthak Kukreti
@ 2020-04-02  7:10 ` Kees Cook
  2020-04-14 13:14 ` Enric Balletbo i Serra
  1 sibling, 0 replies; 3+ messages in thread
From: Kees Cook @ 2020-04-02  7:10 UTC (permalink / raw)
  To: Sarthak Kukreti
  Cc: bleung, enric.balletbo, anton, linux-kernel, ccross, tony.luck, gwendal

On Wed, Apr 01, 2020 at 05:15:48PM -0700, Sarthak Kukreti wrote:
> On x86 ChromiumOS devices, the pmsg_size is set to 0 (check
> /sys/module/ramoops/parameters/pmsg_size): this prevents use of
> pstore-pmsg, even if CONFIG_PSTORE_PMSG is enabled. Set pmsg_size
> to a value that is consistent with the size used on non-x86 ChromiumOS
> devices.
> 
> Signed-off-by: Sarthak Kukreti <sarthakkukreti@chromium.org>

Reviewed-by: Kees Cook <keescook@chromium.org>

-Kees

> ---
>  drivers/platform/chrome/chromeos_pstore.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c
> index d13770785fb5..82dea8cb5da1 100644
> --- a/drivers/platform/chrome/chromeos_pstore.c
> +++ b/drivers/platform/chrome/chromeos_pstore.c
> @@ -57,6 +57,7 @@ static struct ramoops_platform_data chromeos_ramoops_data = {
>  	.record_size	= 0x40000,
>  	.console_size	= 0x20000,
>  	.ftrace_size	= 0x20000,
> +	.pmsg_size	= 0x20000,
>  	.dump_oops	= 1,
>  };
>  
> -- 
> 2.26.0.rc2.310.g2932bb562d-goog
> 

-- 
Kees Cook

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size
  2020-04-02  0:15 [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size Sarthak Kukreti
  2020-04-02  7:10 ` Kees Cook
@ 2020-04-14 13:14 ` Enric Balletbo i Serra
  1 sibling, 0 replies; 3+ messages in thread
From: Enric Balletbo i Serra @ 2020-04-14 13:14 UTC (permalink / raw)
  To: Sarthak Kukreti, bleung
  Cc: keescook, anton, linux-kernel, ccross, tony.luck, gwendal

Hi Sarthak,

Thank you for your patch.

On 2/4/20 2:15, Sarthak Kukreti wrote:
> On x86 ChromiumOS devices, the pmsg_size is set to 0 (check
> /sys/module/ramoops/parameters/pmsg_size): this prevents use of
> pstore-pmsg, even if CONFIG_PSTORE_PMSG is enabled. Set pmsg_size
> to a value that is consistent with the size used on non-x86 ChromiumOS
> devices.
> 
> Signed-off-by: Sarthak Kukreti <sarthakkukreti@chromium.org>
> ---

Applied for 5.8

>  drivers/platform/chrome/chromeos_pstore.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/platform/chrome/chromeos_pstore.c b/drivers/platform/chrome/chromeos_pstore.c
> index d13770785fb5..82dea8cb5da1 100644
> --- a/drivers/platform/chrome/chromeos_pstore.c
> +++ b/drivers/platform/chrome/chromeos_pstore.c
> @@ -57,6 +57,7 @@ static struct ramoops_platform_data chromeos_ramoops_data = {
>  	.record_size	= 0x40000,
>  	.console_size	= 0x20000,
>  	.ftrace_size	= 0x20000,
> +	.pmsg_size	= 0x20000,
>  	.dump_oops	= 1,
>  };
>  
> 

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2020-04-14 13:40 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-04-02  0:15 [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size Sarthak Kukreti
2020-04-02  7:10 ` Kees Cook
2020-04-14 13:14 ` Enric Balletbo i Serra

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