x86, fpu: enable eagerfpu by default for xsaveopt
[pandora-kernel.git] / Documentation / kernel-parameters.txt
index a92c5eb..e8f7faa 100644 (file)
@@ -526,7 +526,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
 
        coherent_pool=nn[KMG]   [ARM,KNL]
                        Sets the size of memory pool for coherent, atomic dma
-                       allocations if Contiguous Memory Allocator (CMA) is used.
+                       allocations, by default set to 256K.
 
        code_bytes      [X86] How many bytes of object code to print
                        in an oops report.
@@ -1134,7 +1134,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                forcesac
                soft
                pt              [x86, IA-64]
-               group_mf        [x86, IA-64]
 
 
        io7=            [HW] IO7 for Marvel based alpha systems
@@ -1834,6 +1833,10 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        and restore using xsave. The kernel will fallback to
                        enabling legacy floating-point and sse state.
 
+       eagerfpu=       [X86]
+                       on      enable eager fpu restore (default for xsaveopt)
+                       off     disable eager fpu restore
+
        nohlt           [BUGS=ARM,SH] Tells the kernel that the sleep(SH) or
                        wfi(ARM) instruction doesn't work correctly and not to
                        use it. This is also useful when using JTAG debugger.
@@ -2367,6 +2370,11 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                        Set maximum number of finished RCU callbacks to process
                        in one batch.
 
+       rcutree.fanout_leaf=    [KNL,BOOT]
+                       Increase the number of CPUs assigned to each
+                       leaf rcu_node structure.  Useful for very large
+                       systems.
+
        rcutree.qhimark=        [KNL,BOOT]
                        Set threshold of queued
                        RCU callbacks over which batch limiting is disabled.
@@ -2932,6 +2940,8 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
                                        initial READ(10) command);
                                o = CAPACITY_OK (accept the capacity
                                        reported by the device);
+                               p = WRITE_CACHE (the device cache is ON
+                                       by default);
                                r = IGNORE_RESIDUE (the device reports
                                        bogus residue values);
                                s = SINGLE_LUN (the device has only one