The patch titled
Subject: riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
has been added to the -mm tree. Its filename is
riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
This patch should soon appear at
https://ozlabs.org/~akpm/mmots/broken-out/riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
and later at
https://ozlabs.org/~akpm/mmotm/broken-out/riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
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*** Remember to use Documentation/process/submit-checklist.rst when testing your code ***
The -mm tree is included into linux-next and is updated
there every 3-4 working days
------------------------------------------------------
From: Jisheng Zhang <jszhang@xxxxxxxxxx>
Subject: riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef
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.
Link: https://lkml.kernel.org/r/20211206160514.2000-3-jszhang@xxxxxxxxxx
Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx>
Acked-by: Baoquan He <bhe@xxxxxxxxxx>
Cc: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
Cc: Alexandre Ghiti <alex@xxxxxxxx>
Cc: Borislav Petkov <bp@xxxxxxxxx>
Cc: Catalin Marinas <catalin.marinas@xxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Cc: Eric W. Biederman <ebiederm@xxxxxxxxxxxx>
Cc: H. Peter Anvin <hpa@xxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Palmer Dabbelt <palmer@xxxxxxxxxxx>
Cc: Paul Walmsley <paul.walmsley@xxxxxxxxxx>
Cc: Russell King <linux@xxxxxxxxxxxxxxx>
Cc: Russell King (Oracle) <rmk+kernel@xxxxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Will Deacon <will@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/riscv/mm/init.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
--- a/arch/riscv/mm/init.c~riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef
+++ a/arch/riscv/mm/init.c
@@ -955,7 +955,6 @@ static inline void setup_vm_final(void)
}
#endif /* CONFIG_MMU */
-#ifdef CONFIG_KEXEC_CORE
/*
* reserve_crashkernel() - reserves memory for crash kernel
*
@@ -972,6 +971,8 @@ static void __init reserve_crashkernel(v
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
@@ -1021,7 +1022,6 @@ static void __init reserve_crashkernel(v
crashk_res.start = crash_base;
crashk_res.end = crash_base + crash_size - 1;
}
-#endif /* CONFIG_KEXEC_CORE */
void __init paging_init(void)
{
@@ -1035,9 +1035,7 @@ void __init misc_mem_init(void)
arch_numa_init();
sparse_init();
zone_sizes_init();
-#ifdef CONFIG_KEXEC_CORE
reserve_crashkernel();
-#endif
memblock_dump_all();
}
_
Patches currently in -mm which might be from jszhang@xxxxxxxxxx are
kexec-make-crashk_res-crashk_low_res-and-crash_notes-symbols-always-visible.patch
riscv-mm-init-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
x86-setup-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
arm64-mm-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
arm-use-is_enabledconfig_kexec_core-instead-of-ifdef.patch
