Messages in this thread Patch in this message | | | From | Andy Lutomirski <> | Subject | [PATCH v4 06/10] x86-64: Remove vsyscall number 3 (venosys) | Date | Tue, 31 May 2011 10:14:04 -0400 |
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It just segfaults since April 2008 (a4928cff), so I'm pretty sure that nothing uses it. And having an empty section makes the linker script a bit fragile.
Signed-off-by: Andy Lutomirski <luto@mit.edu> --- arch/x86/kernel/vmlinux.lds.S | 4 ---- arch/x86/kernel/vsyscall_64.c | 3 --- 2 files changed, 0 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 3d89a00..dc8ac70 100644 --- a/arch/x86/kernel/vmlinux.lds.S +++ b/arch/x86/kernel/vmlinux.lds.S @@ -182,10 +182,6 @@ SECTIONS *(.vsyscall_2) } - .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) { - *(.vsyscall_3) - } - . = ALIGN(__vsyscall_0 + PAGE_SIZE, PAGE_SIZE); #undef VSYSCALL_ADDR diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index 9b2f3f5..c7fe325 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -209,9 +209,6 @@ vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache) return 0; } -static long __vsyscall(3) venosys_1(void) -{ - return -ENOSYS; } /* Assume __initcall executes before all user space. Hopefully kmod -- 1.7.5.1
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