[BACK]Return to 69.html CVS log [TXT][DIR] Up to [local] / www

Diff for /www/69.html between version 1.19 and 1.20

version 1.19, 2021/04/11 19:22:05 version 1.20, 2021/04/11 19:53:30
Line 266 
Line 266 
                 allowing Go programs to use "unix" without also including "inet".                  allowing Go programs to use "unix" without also including "inet".
         <li>Excluded the first page and added a guard page between I/O          <li>Excluded the first page and added a guard page between I/O
                 virtual address space allocations on arm64.                  virtual address space allocations on arm64.
     </ul>
   <li>SMP Improvements
 <!-- SMP -->    <ul>
 <li>Introduced "if_cloners_lock" rwlock and used it to serialize if_clone_{create,destroy}(), avoiding multiple race conditions.          <li>Introduced "if_cloners_lock" rwlock and used it to serialize if_clone_{create,destroy}(), avoiding multiple race conditions.
 <li>Introduced a system-wide mutex that serializes msgbuf operations.          <li>Introduced a system-wide mutex that serializes msgbuf operations.
 <li>Made <a href="https://man.openbsd.org/uvm_pagealloc.9">uvm_pagealloc(9)</a> of the physical memory allocator mp-safe.          <li>Made <a href="https://man.openbsd.org/uvm_pagealloc.9">uvm_pagealloc(9)</a> of the physical memory allocator mp-safe.
 <li>Unlocked <a href="https://man.openbsd.org/getppid.2">getppid(2)</a>.          <li>Unlocked <a href="https://man.openbsd.org/getppid.2">getppid(2)</a>.
 <li>Introduced locking for amaps and anons, improving build performance.          <li>Introduced locking for amaps and anons, improving build performance.
 <li>Moved UNIX domain sockets out of the kernel lock, using the new "unp_lock" <a href="https://man.openbsd.org/rwlock.9">rwlock(9)</a> as solock()'s backend to protect the whole layer.          <li>Moved UNIX domain sockets out of the kernel lock, using the new "unp_lock" <a href="https://man.openbsd.org/rwlock.9">rwlock(9)</a> as solock()'s backend to protect the whole layer.
 <li>Unlocked <a href="https://man.openbsd.org/sendsyslog.2">sendsyslog(2)</a>.          <li>Unlocked <a href="https://man.openbsd.org/sendsyslog.2">sendsyslog(2)</a>.
 <li>Used per-CPU counter for fault and stats counters reached in uvm_fault().          <li>Used per-CPU counter for fault and stats counters reached in uvm_fault().
     </ul>
   <li>Direct Rendering Manager
 <!-- DRM -->    <ul>
 <li>Implemented linux interval tree functions for <a href="https://man.openbsd.org/drm.4">drm(4)</a>.          <li>Implemented linux interval tree functions for <a href="https://man.openbsd.org/drm.4">drm(4)</a>.
 <li>Fixed <a href="https://man.openbsd.org/wsconsctl.8">wsconsctl(8)</a> display commands when using <a href="https://man.openbsd.org/drm.4">drm(4)</a> drivers on macppc.          <li>Fixed <a href="https://man.openbsd.org/wsconsctl.8">wsconsctl(8)</a> display commands when using <a href="https://man.openbsd.org/drm.4">drm(4)</a> drivers on macppc.
 <li>Changed from <a href="https://man.openbsd.org/rwlock.9">rwlock(9)</a> to <a href="https://man.openbsd.org/mutex.9">mutex(9)</a> for linux rwlocks.          <li>Changed from <a href="https://man.openbsd.org/rwlock.9">rwlock(9)</a> to <a href="https://man.openbsd.org/mutex.9">mutex(9)</a> for linux rwlocks.
 <li>Fixed a panic associated with locks and <a href="https://man.openbsd.org/drm.4">drm(4)</a> on macppc with Powerbook5,6 and RV350.          <li>Fixed a panic associated with locks and <a href="https://man.openbsd.org/drm.4">drm(4)</a> on macppc with Powerbook5,6 and RV350.
 <li>Revised the initialization of the <a href="https://man.openbsd.org/drm.4">drm(4)</a> Linux emulation layer to call it only when the first drm instance attaches.          <li>Revised the initialization of the <a href="https://man.openbsd.org/drm.4">drm(4)</a> Linux emulation layer to call it only when the first drm instance attaches.
 <li>Fixed DRI3 support on <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a> and <a href="https://man.openbsd.org/ati.4">ati(4)</a>.          <li>Fixed DRI3 support on <a href="https://man.openbsd.org/amdgpu.4">amdgpu(4)</a> and <a href="https://man.openbsd.org/ati.4">ati(4)</a>.
 <li>Created /dev/ drm nodes with the same names as linux to simplify libdrm and negate the need for certain ports patches.          <li>Created /dev/ drm nodes with the same names as linux to simplify libdrm and negate the need for certain ports patches.
     </ul>
   <li>VMM/VMD improvements
 <!-- VMM/VMD -->    <ul>
   
         <li>Prevented memory corruption or improper page access in <a          <li>Prevented memory corruption or improper page access in <a
                 href="https://man.openbsd.org/vmm.4">vmm(4)</a> due to improper TLB                  href="https://man.openbsd.org/vmm.4">vmm(4)</a> due to improper TLB
                 flushing for now by wiring the pages used by virtual machines.                  flushing for now by wiring the pages used by virtual machines.
Line 309 
Line 308 
                 process to allow unicast dhcp and bootp renewals with <a                  process to allow unicast dhcp and bootp renewals with <a
                 href="https://man.openbsd.org/vmd.8">vmd(8)</a>'s built-in dhcp                  href="https://man.openbsd.org/vmd.8">vmd(8)</a>'s built-in dhcp
                 server.                  server.
   
   
   
   </ul>    </ul>
   
 <li>Various new userland features:  <li>Various new userland features:
Legend:
Removed from v.1.19  
changed lines
  Added in v.1.20