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| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-09-27 09:16:24 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:16 +1100 |
| commit | 4fe0e3c1724e397845df75f64059bcea4ff590e8 (patch) | |
| tree | 3626432513762cefe4d569941b19f45e603286e1 /arch/powerpc/kernel/vdso.c | |
| parent | 3cf63825413c9eed2dae06070464efb27381bdac (diff) | |
| download | linux-stable-4fe0e3c1724e397845df75f64059bcea4ff590e8.tar.gz linux-stable-4fe0e3c1724e397845df75f64059bcea4ff590e8.tar.bz2 linux-stable-4fe0e3c1724e397845df75f64059bcea4ff590e8.zip | |
powerpc/vdso: Remove unnecessary ifdefs in vdso_pagelist initialization
No need of all those #ifdefs around the pagelist initialisation,
use IS_ENABLED(), GCC will kick out unused static variables.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/f9333432e329b1fcbbbf846cb1cd4a1c4127a60b.1601197618.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 31 |
1 files changed, 6 insertions, 25 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index d129d7ee006d..a24f6a583fac 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -53,15 +53,12 @@ static struct page **vdso32_pagelist; unsigned long vdso32_sigtramp; unsigned long vdso32_rt_sigtramp; -#ifdef CONFIG_VDSO32 extern char vdso32_start, vdso32_end; -#endif - -#ifdef CONFIG_PPC64 extern char vdso64_start, vdso64_end; static void *vdso64_kbase = &vdso64_start; static unsigned int vdso64_pages; static struct page **vdso64_pagelist; +#ifdef CONFIG_PPC64 unsigned long vdso64_rt_sigtramp; #endif /* CONFIG_PPC64 */ @@ -136,7 +133,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) if (!vdso_ready) return 0; -#ifdef CONFIG_PPC64 if (is_32bit_task()) { vdso_pagelist = vdso32_pagelist; vdso_pages = vdso32_pages; @@ -151,11 +147,6 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp) */ vdso_base = 0; } -#else - vdso_pagelist = vdso32_pagelist; - vdso_pages = vdso32_pages; - vdso_base = VDSO32_MBASE; -#endif current->mm->context.vdso_base = 0; @@ -614,9 +605,7 @@ static __init int vdso_setup(void) struct lib64_elfinfo v64; v32.hdr = vdso32_kbase; -#ifdef CONFIG_PPC64 v64.hdr = vdso64_kbase; -#endif if (vdso_do_find_sections(&v32, &v64)) return -1; @@ -722,16 +711,14 @@ static int __init vdso_init(void) vdso_data->icache_block_size = ppc64_caches.l1i.block_size; vdso_data->dcache_log_block_size = ppc64_caches.l1d.log_block_size; vdso_data->icache_log_block_size = ppc64_caches.l1i.log_block_size; +#endif /* CONFIG_PPC64 */ /* * Calculate the size of the 64 bits vDSO */ vdso64_pages = (&vdso64_end - &vdso64_start) >> PAGE_SHIFT; DBG("vdso64_kbase: %p, 0x%x pages\n", vdso64_kbase, vdso64_pages); -#endif /* CONFIG_PPC64 */ - -#ifdef CONFIG_VDSO32 vdso32_kbase = &vdso32_start; /* @@ -739,8 +726,6 @@ static int __init vdso_init(void) */ vdso32_pages = (&vdso32_end - &vdso32_start) >> PAGE_SHIFT; DBG("vdso32_kbase: %p, 0x%x pages\n", vdso32_kbase, vdso32_pages); -#endif - vdso_setup_syscall_map(); @@ -751,19 +736,15 @@ static int __init vdso_init(void) if (vdso_setup()) { printk(KERN_ERR "vDSO setup failure, not enabled !\n"); vdso32_pages = 0; -#ifdef CONFIG_PPC64 vdso64_pages = 0; -#endif return 0; } -#ifdef CONFIG_VDSO32 - vdso32_pagelist = vdso_setup_pages(&vdso32_start, &vdso32_end); -#endif + if (IS_ENABLED(CONFIG_VDSO32)) + vdso32_pagelist = vdso_setup_pages(&vdso32_start, &vdso32_end); -#ifdef CONFIG_PPC64 - vdso64_pagelist = vdso_setup_pages(&vdso64_start, &vdso64_end); -#endif /* CONFIG_PPC64 */ + if (IS_ENABLED(CONFIG_PPC64)) + vdso64_pagelist = vdso_setup_pages(&vdso64_start, &vdso64_end); smp_wmb(); vdso_ready = 1; |