x2apic: kernel-parameter documentation for "x2apic_phys"

[linux-2.6-omap-h63xx.git] / Documentation / kernel-parameters.txt

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 85c6f574e267d56893dad42ca59a366dbbb273ee..88b08acf2ff20ce7e874eaa0d52fc8f5500d7feb 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -271,6 +271,17 @@ and is between 256 and 4096 characters. It is defined in the file
        aic79xx=        [HW,SCSI]
                        See Documentation/scsi/aic79xx.txt.
 
+       amd_iommu=      [HW,X86-84]
+                       Pass parameters to the AMD IOMMU driver in the system.
+                       Possible values are:
+                       isolate - enable device isolation (each device, as far
+                                 as possible, will get its own protection
+                                 domain)
+       amd_iommu_size= [HW,X86-64]
+                       Define the size of the aperture for the AMD IOMMU
+                       driver. Possible values are:
+                       '32M', '64M' (default), '128M', '256M', '512M', '1G'
+
        amijoy.map=     [HW,JOY] Amiga joystick support
                        Map of devices attached to JOY0DAT and JOY1DAT
                        Format: <a>,<b>
@@ -599,6 +610,29 @@ and is between 256 and 4096 characters. It is defined in the file
                        See drivers/char/README.epca and
                        Documentation/digiepca.txt.
 
+       disable_mtrr_cleanup [X86]
+       enable_mtrr_cleanup [X86]
+                       The kernel tries to adjust MTRR layout from continuous
+                       to discrete, to make X server driver able to add WB
+                       entry later. This parameter enables/disables that.
+
+       mtrr_chunk_size=nn[KMG] [X86]
+                       used for mtrr cleanup. It is largest continous chunk
+                       that could hold holes aka. UC entries.
+
+       mtrr_gran_size=nn[KMG] [X86]
+                       Used for mtrr cleanup. It is granularity of mtrr block.
+                       Default is 1.
+                       Large value could prevent small alignment from
+                       using up MTRRs.
+
+       mtrr_spare_reg_nr=n [X86]
+                       Format: <integer>
+                       Range: 0,7 : spare reg number
+                       Default : 1
+                       Used for mtrr cleanup. It is spare mtrr entries number.
+                       Set to 2 or more if your graphical card needs more.
+
        disable_mtrr_trim [X86, Intel and AMD only]
                        By default the kernel will trim any uncacheable
                        memory out of your available memory pool based on
@@ -1343,6 +1377,12 @@ and is between 256 and 4096 characters. It is defined in the file
 
        nolapic_timer   [X86-32,APIC] Do not use the local APIC timer.
 
+       nox2apic        [X86-64,APIC] Do not enable x2APIC mode.
+
+       x2apic_phys     [X86-64,APIC] Use x2apic physical mode instead of
+                       default x2apic cluster mode on platforms
+                       supporting x2apic.
+
        noltlbs         [PPC] Do not use large page/tlb entries for kernel
                        lowmem mapping on PPC40x.
 
@@ -1679,6 +1719,10 @@ and is between 256 and 4096 characters. It is defined in the file
                        Format: <reboot_mode>[,<reboot_mode2>[,...]]
                        See arch/*/kernel/reboot.c or arch/*/kernel/process.c                   
 
+       relax_domain_level=
+                       [KNL, SMP] Set scheduler's default relax_domain_level.
+                       See Documentation/cpusets.txt.
+
        reserve=        [KNL,BUGS] Force the kernel to ignore some iomem area
 
        reservetop=     [X86-32]
@@ -2112,6 +2156,9 @@ and is between 256 and 4096 characters. It is defined in the file
        usbhid.mousepoll=
                        [USBHID] The interval which mice are to be polled at.
 
+       add_efi_memmap  [EFI; x86-32,X86-64] Include EFI memory map in
+                       kernel's map of available physical RAM.
+
        vdso=           [X86-32,SH,x86-64]
                        vdso=2: enable compat VDSO (default with COMPAT_VDSO)
                        vdso=1: enable VDSO (default)