From: Jisheng Zhang <jszhang@kernel.org>
To: Russell King <linux@armlinux.org.uk>,
Catalin Marinas <catalin.marinas@arm.com>,
Will Deacon <will@kernel.org>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Thomas Gleixner <tglx@linutronix.de>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Dave Hansen <dave.hansen@linux.intel.com>,
x86@kernel.org, hpa@zytor.com,
Eric Biederman <ebiederm@xmission.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org,
kexec@lists.infradead.org, Alexandre ghiti <alex@ghiti.fr>
Subject: [PATCH v2 2/5] riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
Date: Tue, 7 Dec 2021 00:05:11 +0800 [thread overview]
Message-ID: <20211206160514.2000-3-jszhang@kernel.org> (raw)
In-Reply-To: <20211206160514.2000-1-jszhang@kernel.org>
Replace the conditional compilation using "#ifdef CONFIG_KEXEC_CORE"
by a check for "IS_ENABLED(CONFIG_KEXEC_CORE)", to simplify the code
and increase compile coverage.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
arch/riscv/mm/init.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/riscv/mm/init.c b/arch/riscv/mm/init.c
index a15640eeb334..84879a5ce818 100644
--- a/arch/riscv/mm/init.c
+++ b/arch/riscv/mm/init.c
@@ -748,7 +748,6 @@ static inline void setup_vm_final(void)
}
#endif /* CONFIG_MMU */
-#ifdef CONFIG_KEXEC_CORE
/*
* reserve_crashkernel() - reserves memory for crash kernel
*
@@ -765,6 +764,8 @@ static void __init reserve_crashkernel(void)
int ret = 0;
+ if (!IS_ENABLED(CONFIG_KEXEC_CORE))
+ return;
/*
* Don't reserve a region for a crash kernel on a crash kernel
* since it doesn't make much sense and we have limited memory
@@ -805,7 +806,6 @@ static void __init reserve_crashkernel(void)
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
}
-#endif /* CONFIG_KEXEC_CORE */
void __init paging_init(void)
{
@@ -819,9 +819,7 @@ void __init misc_mem_init(void)
arch_numa_init();
sparse_init();
zone_sizes_init();
-#ifdef CONFIG_KEXEC_CORE
reserve_crashkernel();
-#endif
memblock_dump_all();
}
--
2.34.1
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next prev parent reply other threads:[~2021-12-06 16:14 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-06 16:05 [PATCH v2 0/5] kexec: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef Jisheng Zhang
2021-12-06 16:05 ` [PATCH v2 1/5] kexec: make crashk_res, crashk_low_res and crash_notes symbols always visible Jisheng Zhang
2021-12-06 16:05 ` Jisheng Zhang [this message]
2022-01-11 17:29 ` [PATCH v2 2/5] riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef Palmer Dabbelt
2021-12-06 16:05 ` [PATCH v2 3/5] x86/setup: " Jisheng Zhang
2021-12-06 16:05 ` [PATCH v2 4/5] arm64: mm: " Jisheng Zhang
2021-12-06 16:05 ` [PATCH v2 5/5] arm: " Jisheng Zhang
2022-01-16 13:38 ` [PATCH v2 0/5] kexec: " Baoquan He
2022-01-18 14:13 ` Jisheng Zhang
2022-01-19 8:08 ` Baoquan He
2022-01-19 8:52 ` Alexandre Ghiti
2022-01-19 9:33 ` Baoquan He
2022-01-19 11:44 ` Jisheng Zhang
2022-01-20 9:45 ` Baoquan He
2022-01-20 9:50 ` Baoquan He
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