diff options
| author | Andy Lutomirski <[email protected]> | 2011-06-05 13:50:22 -0400 |
|---|---|---|
| committer | Ingo Molnar <[email protected]> | 2011-06-06 09:43:14 +0200 |
| commit | bb5fe2f78eadf5a52d8dcbf9a57728fd107af97b (patch) | |
| tree | ed6d87558e2b9610efa45330a0083b7cc3993d1a | |
| parent | d319bb79afa4039bda6f85661d6bf0c13299ce93 (diff) | |
x86-64: Remove vsyscall number 3 (venosys)
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 <[email protected]>
Cc: Jesper Juhl <[email protected]>
Cc: Borislav Petkov <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: Arjan van de Ven <[email protected]>
Cc: Jan Beulich <[email protected]>
Cc: richard -rw- weinberger <[email protected]>
Cc: Mikael Pettersson <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Brian Gerst <[email protected]>
Cc: Louis Rilling <[email protected]>
Cc: [email protected]
Cc: [email protected]
Link: http://lkml.kernel.org/r/4a4abcf47ecadc269f2391a313576fe6d06acef7.1307292171.git.luto@mit.edu
Signed-off-by: Ingo Molnar <[email protected]>
| -rw-r--r-- | arch/x86/kernel/vmlinux.lds.S | 4 | ||||
| -rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 5 |
2 files changed, 0 insertions, 9 deletions
diff --git a/arch/x86/kernel/vmlinux.lds.S b/arch/x86/kernel/vmlinux.lds.S index 98b378dc7f86..4f90082fd640 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 9b2f3f51bc91..70a5f6eebd6c 100644 --- a/arch/x86/kernel/vsyscall_64.c +++ b/arch/x86/kernel/vsyscall_64.c @@ -209,11 +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 doesn't violate that. We'll find out if it does. */ static void __cpuinit vsyscall_set_cpu(int cpu) |