diff options
| author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-17 08:36:10 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-11-17 08:36:10 -0800 |
| commit | 2ffbb8377c7a0713baf6644e285adc27a5654582 (patch) | |
| tree | 055f1fad06e1dba8c2e782786a7cfc2ea448a7f3 /kernel/sys.c | |
| parent | 6840999b192b1b57d713ddee3761c457a2779036 (diff) | |
| parent | 80ef88d6d23bf1b94d65db0ac32334d01b9f7350 (diff) | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
x86: simplify "make ARCH=x86" and fix kconfig all.config
x86: reboot fixup for wrap2c board
x86: check boundary in count setup resource
x86: fix reboot with no keyboard attached
x86: add hpet sanity checks
x86: on x86_64, correct reading of PC RTC when update in progress in time_64.c
x86: fix freeze in x86_64 RTC update code in time_64.c
ntp: fix typo that makes sync_cmos_clock erratic
Remove x86 merge artifact from top Makefile
x86: fixup cpu_info array conversion
x86: show cpuinfo only for online CPUs
x86: fix cpu-hotplug regression
x86: ignore the sys_getcpu() tcache parameter
x86: voyager use correct header file name
x86: fix smp init sections
x86: fix voyager_cat_init section
x86: fix bogus memcpy in es7000_check_dsdt()
Diffstat (limited to 'kernel/sys.c')
| -rw-r--r-- | kernel/sys.c | 20 |
1 files changed, 1 insertions, 19 deletions
diff --git a/kernel/sys.c b/kernel/sys.c index 304b5410d74..d1fe71eb454 100644 --- a/kernel/sys.c +++ b/kernel/sys.c @@ -1750,7 +1750,7 @@ asmlinkage long sys_prctl(int option, unsigned long arg2, unsigned long arg3, } asmlinkage long sys_getcpu(unsigned __user *cpup, unsigned __user *nodep, - struct getcpu_cache __user *cache) + struct getcpu_cache __user *unused) { int err = 0; int cpu = raw_smp_processor_id(); @@ -1758,24 +1758,6 @@ asmlinkage long sys_getcpu(unsigned __user *cpup, unsigned __user *nodep, err |= put_user(cpu, cpup); if (nodep) err |= put_user(cpu_to_node(cpu), nodep); - if (cache) { - /* - * The cache is not needed for this implementation, - * but make sure user programs pass something - * valid. vsyscall implementations can instead make - * good use of the cache. Only use t0 and t1 because - * these are available in both 32bit and 64bit ABI (no - * need for a compat_getcpu). 32bit has enough - * padding - */ - unsigned long t0, t1; - get_user(t0, &cache->blob[0]); - get_user(t1, &cache->blob[1]); - t0++; - t1++; - put_user(t0, &cache->blob[0]); - put_user(t1, &cache->blob[1]); - } return err ? -EFAULT : 0; } |