linux-kernel - [PATCH AUTOSEL 6.2 5/6] bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support

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Message-Id: <20230301162929.1302785-5-sashal@kernel.org>
Date:   Wed,  1 Mar 2023 11:29:28 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Souradeep Chowdhury <quic_schowdhu@...cinc.com>,
        Masami Hiramatsu <mhiramat@...nel.org>,
        Sasha Levin <sashal@...nel.org>,
        linux-trace-kernel@...r.kernel.org
Subject: [PATCH AUTOSEL 6.2 5/6] bootconfig: Increase max nodes of bootconfig from 1024 to 8192 for DCC support

From: Souradeep Chowdhury <quic_schowdhu@...cinc.com>

[ Upstream commit 6c40624930c58529185a257380442547580ed837 ]

The Data Capture and Compare(DCC) is a debugging tool that uses the bootconfig
for configuring the register values during boot-time. Increase the max nodes
supported by bootconfig to cater to the requirements of the Data Capture and
Compare Driver.

Link: https://lore.kernel.org/all/1674536682-18404-1-git-send-email-quic_schowdhu@quicinc.com/

Signed-off-by: Souradeep Chowdhury <quic_schowdhu@...cinc.com>
Acked-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Signed-off-by: Masami Hiramatsu (Google) <mhiramat@...nel.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/linux/bootconfig.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/bootconfig.h b/include/linux/bootconfig.h
index 1611f9db878e7..ca73940e26df8 100644
--- a/include/linux/bootconfig.h
+++ b/include/linux/bootconfig.h
@@ -59,7 +59,7 @@ struct xbc_node {
 /* Maximum size of boot config is 32KB - 1 */
 #define XBC_DATA_MAX	(XBC_VALUE - 1)
 
-#define XBC_NODE_MAX	1024
+#define XBC_NODE_MAX	8192
 #define XBC_KEYLEN_MAX	256
 #define XBC_DEPTH_MAX	16
 
-- 
2.39.2