diff options
| author | Christophe Leroy <christophe.leroy@csgroup.eu> | 2020-09-27 09:16:37 +0000 |
|---|---|---|
| committer | Michael Ellerman <mpe@ellerman.id.au> | 2020-12-04 01:01:18 +1100 |
| commit | 49bf59fd0371b1053a17021f27605f43071584ee (patch) | |
| tree | b58b35ade027a9c10b4c4ed327b37392ec588ced /arch/powerpc/kernel/vdso.c | |
| parent | b7fe9c15b57d767fda250e8eff79be435996ef33 (diff) | |
| download | lwn-49bf59fd0371b1053a17021f27605f43071584ee.tar.gz lwn-49bf59fd0371b1053a17021f27605f43071584ee.zip | |
powerpc/vdso: Remove __kernel_datapage_offset
__kernel_datapage_offset is not used anymore, remove it.
Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/ddb5c746bec4e1a026d7c85243213a1876ef844f.1601197618.git.christophe.leroy@csgroup.eu
Diffstat (limited to 'arch/powerpc/kernel/vdso.c')
| -rw-r--r-- | arch/powerpc/kernel/vdso.c | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/arch/powerpc/kernel/vdso.c b/arch/powerpc/kernel/vdso.c index 264c5c5dc842..4c9770577e30 100644 --- a/arch/powerpc/kernel/vdso.c +++ b/arch/powerpc/kernel/vdso.c @@ -491,42 +491,6 @@ static __init void vdso_setup_trampolines(struct lib32_elfinfo *v32, vdso32_rt_sigtramp = find_function32(v32, "__kernel_sigtramp_rt32"); } -static __init int vdso_fixup_datapage(struct lib32_elfinfo *v32, - struct lib64_elfinfo *v64) -{ -#ifdef CONFIG_VDSO32 - Elf32_Sym *sym32; -#endif -#ifdef CONFIG_PPC64 - Elf64_Sym *sym64; - - sym64 = find_symbol64(v64, "__kernel_datapage_offset"); - if (sym64 == NULL) { - printk(KERN_ERR "vDSO64: Can't find symbol " - "__kernel_datapage_offset !\n"); - return -1; - } - *((int *)(vdso64_kbase + sym64->st_value - VDSO64_LBASE)) = - -PAGE_SIZE - - (sym64->st_value - VDSO64_LBASE); -#endif /* CONFIG_PPC64 */ - -#ifdef CONFIG_VDSO32 - sym32 = find_symbol32(v32, "__kernel_datapage_offset"); - if (sym32 == NULL) { - printk(KERN_ERR "vDSO32: Can't find symbol " - "__kernel_datapage_offset !\n"); - return -1; - } - *((int *)(vdso32_kbase + (sym32->st_value - VDSO32_LBASE))) = - -PAGE_SIZE - - (sym32->st_value - VDSO32_LBASE); -#endif - - return 0; -} - - static __init int vdso_fixup_features(struct lib32_elfinfo *v32, struct lib64_elfinfo *v64) { @@ -592,9 +556,6 @@ static __init int vdso_setup(void) if (vdso_do_find_sections(&v32, &v64)) return -1; - if (vdso_fixup_datapage(&v32, &v64)) - return -1; - if (vdso_fixup_features(&v32, &v64)) return -1; |