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Tue, 5 Sep 2023 18:36:07 +0000 (GMT) Received: from smtpav04.fra02v.mail.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E1C4020040; Tue, 5 Sep 2023 18:36:05 +0000 (GMT) Received: from li-bd3f974c-2712-11b2-a85c-df1cec4d728e.ibm.com.com (unknown [9.43.114.159]) by smtpav04.fra02v.mail.ibm.com (Postfix) with ESMTP; Tue, 5 Sep 2023 18:36:05 +0000 (GMT) From: Hari Bathini To: lkml , linuxppc-dev , Kexec-ml Subject: [PATCH v2 1/3] powerpc/fadump: make is_fadump_active() visible for exporting vmcore Date: Wed, 6 Sep 2023 00:06:02 +0530 Message-ID: <20230905183604.568996-1-hbathini@linux.ibm.com> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-ORIG-GUID: m_EEdtmtcBJ8Bl664_L4-tA5VIHaGQBC X-Proofpoint-GUID: Qhq2VodxAMpkVdX0kxPKylqYNsCnIhk1 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.957,Hydra:6.0.601,FMLib:17.11.176.26 definitions=2023-09-05_12,2023-09-05_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 suspectscore=0 spamscore=0 mlxscore=0 malwarescore=0 impostorscore=0 bulkscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=983 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2308100000 definitions=main-2309050166 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Sourabh Jain , Dave Young , Mahesh J Salgaonkar , Baoquan He Errors-To: linuxppc-dev-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linuxppc-dev" Include asm/fadump.h in asm/kexec.h to make it visible while exporting vmcore. Also, update is_fadump_active() to return boolean instead of integer for better readability. The change will be used in the next patch to ensure vmcore is exported when fadump is active. Signed-off-by: Hari Bathini Acked-by: Baoquan He --- Changes in v2: * New patch based on Baoquan's suggestion to use is_fadump_active() instead of introducing new function is_crashdump_kernel(). arch/powerpc/include/asm/fadump.h | 4 ++-- arch/powerpc/include/asm/kexec.h | 8 ++++++-- arch/powerpc/kernel/fadump.c | 4 ++-- 3 files changed, 10 insertions(+), 6 deletions(-) diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h index 526a6a647312..27b74a7e2162 100644 --- a/arch/powerpc/include/asm/fadump.h +++ b/arch/powerpc/include/asm/fadump.h @@ -15,13 +15,13 @@ extern int crashing_cpu; extern int is_fadump_memory_area(u64 addr, ulong size); extern int setup_fadump(void); -extern int is_fadump_active(void); +extern bool is_fadump_active(void); extern int should_fadump_crash(void); extern void crash_fadump(struct pt_regs *, const char *); extern void fadump_cleanup(void); #else /* CONFIG_FA_DUMP */ -static inline int is_fadump_active(void) { return 0; } +static inline bool is_fadump_active(void) { return false; } static inline int should_fadump_crash(void) { return 0; } static inline void crash_fadump(struct pt_regs *regs, const char *str) { } static inline void fadump_cleanup(void) { } diff --git a/arch/powerpc/include/asm/kexec.h b/arch/powerpc/include/asm/kexec.h index a1ddba01e7d1..b760ef459234 100644 --- a/arch/powerpc/include/asm/kexec.h +++ b/arch/powerpc/include/asm/kexec.h @@ -51,6 +51,7 @@ #ifndef __ASSEMBLY__ #include +#include typedef void (*crash_shutdown_t)(void); @@ -99,10 +100,13 @@ void relocate_new_kernel(unsigned long indirection_page, unsigned long reboot_co void kexec_copy_flush(struct kimage *image); -#if defined(CONFIG_CRASH_DUMP) && defined(CONFIG_PPC_RTAS) +#if defined(CONFIG_CRASH_DUMP) +#define is_fadump_active is_fadump_active +#if defined(CONFIG_PPC_RTAS) void crash_free_reserved_phys_range(unsigned long begin, unsigned long end); #define crash_free_reserved_phys_range crash_free_reserved_phys_range -#endif +#endif /* CONFIG_PPC_RTAS */ +#endif /* CONFIG_CRASH_DUMP */ #ifdef CONFIG_KEXEC_FILE extern const struct kexec_file_ops kexec_elf64_ops; diff --git a/arch/powerpc/kernel/fadump.c b/arch/powerpc/kernel/fadump.c index 3ff2da7b120b..5682a65e8326 100644 --- a/arch/powerpc/kernel/fadump.c +++ b/arch/powerpc/kernel/fadump.c @@ -187,9 +187,9 @@ int should_fadump_crash(void) return 1; } -int is_fadump_active(void) +bool is_fadump_active(void) { - return fw_dump.dump_active; + return !!fw_dump.dump_active; } /*