linux-hardening - [RFC PATCH 6/9] ACPI: APEI: GHES: export ghes_report

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Message-Id: <20230916130316.65815-7-xueshuai@linux.alibaba.com>
Date:   Sat, 16 Sep 2023 21:03:13 +0800
From:   Shuai Xue <xueshuai@...ux.alibaba.com>
To:     keescook@...omium.org, tony.luck@...el.com, gpiccoli@...lia.com,
        rafael@...nel.org, lenb@...nel.org, james.morse@....com,
        bp@...en8.de, tglx@...utronix.de, mingo@...hat.com,
        dave.hansen@...ux.intel.com, x86@...nel.org, hpa@...or.com,
        ardb@...nel.org, robert.moore@...el.com
Cc:     linux-hardening@...r.kernel.org, linux-acpi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-edac@...r.kernel.org,
        linux-efi@...r.kernel.org, acpica-devel@...ts.linuxfoundation.org,
        xueshuai@...ux.alibaba.com, baolin.wang@...ux.alibaba.com
Subject: [RFC PATCH 6/9] ACPI: APEI: GHES: export ghes_report_chain

Export ghes_report_chain so that it can be kicked by other drivers.

Signed-off-by: Shuai Xue <xueshuai@...ux.alibaba.com>
---
 drivers/acpi/apei/ghes.c | 2 +-
 include/acpi/ghes.h      | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 16701f889b73..80aeb06a1f76 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -95,7 +95,7 @@
 #define FIX_APEI_GHES_SDEI_CRITICAL	__end_of_fixed_addresses
 #endif
 
-static ATOMIC_NOTIFIER_HEAD(ghes_report_chain);
+ATOMIC_NOTIFIER_HEAD(ghes_report_chain);
 
 static inline bool is_hest_type_generic_v2(struct ghes *ghes)
 {
diff --git a/include/acpi/ghes.h b/include/acpi/ghes.h
index 3c8bba9f1114..151567353e33 100644
--- a/include/acpi/ghes.h
+++ b/include/acpi/ghes.h
@@ -126,7 +126,7 @@ int ghes_notify_sea(void);
 static inline int ghes_notify_sea(void) { return -ENOENT; }
 #endif
 
-struct notifier_block;
+extern struct atomic_notifier_head ghes_report_chain;
 extern void ghes_register_report_chain(struct notifier_block *nb);
 extern void ghes_unregister_report_chain(struct notifier_block *nb);
 #endif /* GHES_H */
-- 
2.41.0