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| author |   Jisheng Zhang <jszhang@kernel.org> | 2022-03-23 16:06:39 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2022-03-23 19:00:34 -0700 |
| commit | 4ece09be9913a87ff99ea347fd7e7adad5bdbc8f (patch) | |
| tree | ce22b5fa3a00d3446f26a578437c348f9f0cc5a9 /arch/x86/kernel/setup.c | |
| parent | riscv: mm: init: use IS_ENABLED(CONFIG_KEXEC_CORE) instead of #ifdef (diff) | |
| download | linux-dev-4ece09be9913a87ff99ea347fd7e7adad5bdbc8f.tar.xz linux-dev-4ece09be9913a87ff99ea347fd7e7adad5bdbc8f.zip | |
x86/setup: 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/20211206160514.2000-4-jszhang@kernel.org
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: Albert Ou <aou@eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex@ghiti.fr>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Eric W. Biederman <ebiederm@xmission.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Palmer Dabbelt <palmer@rivosinc.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Russell King <linux@armlinux.org.uk>
Cc: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'arch/x86/kernel/setup.c')
| -rw-r--r-- | arch/x86/kernel/setup.c | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c index 90d7e1788c91..c95b9ac5a457 100644 --- a/arch/x86/kernel/setup.c +++ b/arch/x86/kernel/setup.c @@ -411,8 +411,6 @@ static void __init memblock_x86_reserve_range_setup_data(void) * --------- Crashkernel reservation ------------------------------ */ -#ifdef CONFIG_KEXEC_CORE - /* 16M alignment for crash kernel regions */ #define CRASH_ALIGN SZ_16M @@ -490,6 +488,9 @@ static void __init reserve_crashkernel(void) bool high = false; int ret; + if (!IS_ENABLED(CONFIG_KEXEC_CORE)) + return; + total_mem = memblock_phys_mem_size(); /* crashkernel=XM */ @@ -555,11 +556,6 @@ static void __init reserve_crashkernel(void) crashk_res.end = crash_base + crash_size - 1; insert_resource(&iomem_resource, &crashk_res); } -#else -static void __init reserve_crashkernel(void) -{ -} -#endif static struct resource standard_io_resources[] = { { .name = "dma1", .start = 0x00, .end = 0x1f, |