Kernel

[PATCH] sysfs: Don't use enums in inline function declaration.
It appears gcc can't cope with using an enum that is only declared in an inline function declaration, that doesn't even use the variable that is so declared. Avoid the silliness and replace the enum with an int, and make gcc happy. Signed-off-by: Eric W. Biederman <ebiederm(a)aristanetworks.com> --- include... 5 May 2010 18:16

[PATCH v3 3/8] change msr numbers for kvmclock
Avi pointed out a while ago that those MSRs falls into the pentium PMU range. So the idea here is to add new ones, and after a while, deprecate the old ones. Signed-off-by: Glauber Costa <glommer(a)redhat.com> --- arch/x86/include/asm/kvm_para.h | 4 ++++ arch/x86/kvm/x86.c | 7 ++++++- 2 fil... 5 May 2010 18:16

[PATCH v3 2/8] Add a global synchronization point for pvclock
In recent stress tests, it was found that pvclock-based systems could seriously warp in smp systems. Using ingo's time-warp-test.c, I could trigger a scenario as bad as 1.5mi warps a minute in some systems. (to be fair, it wasn't that bad in most of them). Investigating further, I found out that such warps were cau... 5 May 2010 18:16

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[PATCH v3 8/8] Tell the guest we'll warn it about tsc stability
This patch puts up the flag that tells the guest that we'll warn it about the tsc being trustworthy or not. By now, we also say it is not. --- arch/x86/kvm/x86.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 9295198..ddf997e 100644 -... 5 May 2010 18:16

[PATCH v3 5/8] export paravirtual cpuid flags in KVM_GET_SUPPORTED_CPUID
Right now, we were using individual KVM_CAP entities to communicate userspace about which cpuids we support. This is suboptimal, since it generates a delay between the feature arriving in the host, and being available at the guest. A much better mechanism is to list para features in KVM_GET_SUPPORTED_CPUID. This... 5 May 2010 18:16

[PATCH v3 4/8] add new KVMCLOCK cpuid feature
This cpuid, KVM_CPUID_CLOCKSOURCE2, will indicate to the guest that kvmclock is available through a new set of MSRs. The old ones are deprecated. Signed-off-by: Glauber Costa <glommer(a)redhat.com> --- arch/x86/include/asm/kvm_para.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/a... 5 May 2010 18:16

[PATCH v3 0/8] pvclock fixes - v3
Hello, Avi, this version fixes the issues you raised in the last review. Hopte it is better now. A cpuid.txt wil follow as soon as we're set on everything, so I am not including it yet. Glauber Costa (8): Enable pvclock flags in vcpu_time_info structure Add a global synchronization point for pvclock ... 5 May 2010 18:16

eclone (11/11): Document sys_eclone
On Sat, 1 May 2010 10:14:53 -0400 Oren Laadan wrote: From: Sukadev Bhattiprolu <sukadev(a)linux.vnet.ibm.com> This gives a brief overview of the eclone() system call. We should eventually describe more details in existing clone(2) man page or in a new man page. Signed-off-by: Sukadev Bhattiprol... 10 Jun 2010 05:37

fat: convert to unlocked_ioctl
Arnd Bergmann <arnd(a)arndb.de> writes: FAT does not require the BKL in its ioctl function, which is already serialized through a mutex. Since we're already touching the ioctl code, also fix the missing handling of FAT_IOCTL_GET_ATTRIBUTES in the compat code. Signed-off-by: Arnd Bergmann <arnd(a)arndb.de> ... 5 May 2010 18:16