linux-kernel - [PATCH 1/1] platform/chrome: chromeos

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Message-Id: <20200402001548.177025-1-sarthakkukreti@chromium.org>
Date:   Wed,  1 Apr 2020 17:15:48 -0700
From:   Sarthak Kukreti <sarthakkukreti@...omium.org>
To:     bleung@...omium.org, enric.balletbo@...labora.com
Cc:     keescook@...omium.org, anton@...msg.org,
        linux-kernel@...r.kernel.org, ccross@...roid.com,
        tony.luck@...el.com, gwendal@...omium.org,
        Sarthak Kukreti <sarthakkukreti@...omium.org>
Subject: [PATCH 1/1] platform/chrome: chromeos_pstore: set user space log size

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@...omium.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