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| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2008-07-12 02:22:06 -0700 |
|---|---|---|
| committer |   Ingo Molnar <mingo@elte.hu> | 2008-07-16 11:08:44 +0200 |
| commit | d5303b811b9d6dad2e7396d545eb7db414d42a61 (patch) | |
| tree | 232a999678a4a2e1420d4a35a3af49d84348b1ce /arch/x86/xen/setup.c | |
| parent | x86_64: further cleanup of 32-bit compat syscall mechanisms (diff) | |
| download | linux-dev-d5303b811b9d6dad2e7396d545eb7db414d42a61.tar.xz linux-dev-d5303b811b9d6dad2e7396d545eb7db414d42a61.zip | |
x86: xen: no need to disable vdso32
Now that the vdso32 code can cope with both syscall and sysenter
missing for 32-bit compat processes, just disable the features without
disabling vdso altogether.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to '')
| -rw-r--r-- | arch/x86/xen/setup.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index e3648e64a637..b6acc3a0af46 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -137,7 +137,7 @@ void __cpuinit xen_enable_syscall(void) ret = register_callback(CALLBACKTYPE_syscall, xen_syscall_target); if (ret != 0) { - printk(KERN_ERR "Failed to set syscall: %d\n", ret); + printk(KERN_ERR "Failed to set syscall callback: %d\n", ret); /* Pretty fatal; 64-bit userspace has no other mechanism for syscalls. */ } @@ -145,13 +145,8 @@ void __cpuinit xen_enable_syscall(void) if (boot_cpu_has(X86_FEATURE_SYSCALL32)) { ret = register_callback(CALLBACKTYPE_syscall32, xen_syscall32_target); - if (ret != 0) { - printk(KERN_INFO "Xen: 32-bit syscall not supported: disabling vdso\n"); + if (ret != 0) setup_clear_cpu_cap(X86_FEATURE_SYSCALL32); -#ifdef CONFIG_COMPAT - sysctl_vsyscall32 = 0; -#endif - } } #endif /* CONFIG_X86_64 */ } |