readme: refer to impish kernel

Signed-off-by: Thomas Lamprecht <t.lamprecht@proxmox.com>

diff --git a/README b/README
index 93c82017c05cd54dd75df28a90382c65d2e50622..237d08a885e18e2a8550fa338ca25c4413ae0203 100644 (file)
--- a/README
+++ b/README
@@ -8,10 +8,6 @@ We currently use the Ubuntu kernel sources, available from:
 Ubuntu will maintain those kernels till:
 
  https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable
 Ubuntu will maintain those kernels till:
 
  https://wiki.ubuntu.com/Kernel/Dev/ExtendedStable

- or
- https://pve.proxmox.com/pve-docs/chapter-pve-faq.html#faq-support-table
-
- whatever happens to be earlier.

 
 
 Additional/Updated Modules:
 
 
 Additional/Updated Modules:


@@ -64,7 +60,7 @@ pve-kernel-meta
 ---------------
 
 depends on latest kernel and header package within a certain kernel series,
 ---------------
 
 depends on latest kernel and header package within a certain kernel series,

-e.g., pve-kernel-5.11 / pve-headers-5.11
+e.g., pve-kernel-4.15 / pve-headers-4.15

 
 git clone git://git.proxmox.com/git/pve-kernel-meta.git
 
 
 git clone git://git.proxmox.com/git/pve-kernel-meta.git
 


@@ -142,34 +138,45 @@ NOTE: For the exact and current list see debian/rules (PVE_CONFIG_OPTS)
         CONFIG_BLK_DEV_RBD=m
 
 - enable IBM JFS file system as module
         CONFIG_BLK_DEV_RBD=m
 
 - enable IBM JFS file system as module

-  requested by users (bug #64)
+
+  enable it as requested by users (bug #64)

 
 - enable apple HFS and HFSPLUS as module
 
 - enable apple HFS and HFSPLUS as module

-  requested by users
+
+  enable it as requested by users

 
 - enable CONFIG_BCACHE=m (requested by user)
 
 - enable CONFIG_BRIDGE=y
 
 - enable CONFIG_BCACHE=m (requested by user)
 
 - enable CONFIG_BRIDGE=y

-  to avoid warnings on boot, e.g. that net.bridge.bridge-nf-call-iptables is an unknown key
+
+  Else we get warnings on boot, that
+  net.bridge.bridge-nf-call-iptables is an unknown key

 
 - enable CONFIG_DEFAULT_SECURITY_APPARMOR
 
 - enable CONFIG_DEFAULT_SECURITY_APPARMOR

+

   We need this for lxc
 
 - set CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
   We need this for lxc
 
 - set CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y

+

   because if not set, it can give some dynamic memory or cpu frequencies 
   change, and vms can crash (mainly windows guest).
   because if not set, it can give some dynamic memory or cpu frequencies 
   change, and vms can crash (mainly windows guest).

+

   see http://forum.proxmox.com/threads/18238-Windows-7-x64-VMs-crashing-randomly-during-process-termination?p=93273#post93273
 
 - use 'deadline' as default scheduler
   see http://forum.proxmox.com/threads/18238-Windows-7-x64-VMs-crashing-randomly-during-process-termination?p=93273#post93273
 
 - use 'deadline' as default scheduler

-  This is the suggested setting for KVM. We also measure bad fsync performance with ext4 and cfq.
+
+  This is the suggested setting for KVM. We also measure bad fsync
+  performance with ext4 and cfq.

 
 - disable CONFIG_INPUT_EVBUG
 
 - disable CONFIG_INPUT_EVBUG

-  Module evbug is not blacklisted on debian, so we simply disable it to avoid
-  key-event logs (which is a big security problem)
+
+  Module evbug is not blacklisted on debian, so we simply disable it
+  to avoid key-event logs (which is a big security problem)

 
 - enable CONFIG_MODVERSIONS (needed for ABI tracking)
 
 - switch default UNWINDER to FRAME_POINTER
 
 - enable CONFIG_MODVERSIONS (needed for ABI tracking)
 
 - switch default UNWINDER to FRAME_POINTER

+

   the recently introduced ORC_UNWINDER is not 100% stable yet, especially in combination with ZFS
 
 - enable CONFIG_PAGE_TABLE_ISOLATION (Meltdown mitigation)
   the recently introduced ORC_UNWINDER is not 100% stable yet, especially in combination with ZFS
 
 - enable CONFIG_PAGE_TABLE_ISOLATION (Meltdown mitigation)