Commit 638c335a authored by Arnaldo Carvalho de Melo's avatar Arnaldo Carvalho de Melo
Browse files

Merge remote-tracking branch 'torvalds/master' into perf/core 



To pick up fixes that went thru perf/urgent.

Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parents 20e2e317 094226ad

CREDITS

+5 −0
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@@ -918,6 +918,11 @@ S: Ottawa, Ontario 
S: K1N 6Z9

S: CANADA



N: Vivien Didelot

E: vivien.didelot@gmail.com

D: DSA framework and MV88E6XXX driver

S: Montreal, Quebec, Canada



N: Jeff Dike

E: jdike@karaya.com

W: http://user-mode-linux.sourceforge.net

Documentation/arm64/booting.rst

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@@ -340,6 +340,14 @@ Before jumping into the kernel, the following conditions must be met: 
    - SMCR_EL2.LEN must be initialised to the same value for all CPUs the

      kernel will execute on.



    - HWFGRTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01.



    - HWFGWTR_EL2.nTPIDR2_EL0 (bit 55) must be initialised to 0b01.



    - HWFGRTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01.



    - HWFGWTR_EL2.nSMPRI_EL1 (bit 54) must be initialised to 0b01.



  For CPUs with the Scalable Matrix Extension FA64 feature (FEAT_SME_FA64)



  - If EL3 is present:

Documentation/arm64/cpu-feature-registers.rst

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@@ -92,7 +92,7 @@ operation if the source belongs to the supported system register space. 


The infrastructure emulates only the following system register space::



	Op0=3, Op1=0, CRn=0, CRm=0,4,5,6,7

	Op0=3, Op1=0, CRn=0, CRm=0,2,3,4,5,6,7



(See Table C5-6 'System instruction encodings for non-Debug System

register accesses' in ARMv8 ARM DDI 0487A.h, for the list of
@@ -293,6 +293,42 @@ infrastructure: 
     | WFXT                         | [3-0]   |    y    |

     +------------------------------+---------+---------+



  10) MVFR0_EL1 - AArch32 Media and VFP Feature Register 0



     +------------------------------+---------+---------+

     | Name                         |  bits   | visible |

     +------------------------------+---------+---------+

     | FPDP                         | [11-8]  |    y    |

     +------------------------------+---------+---------+



  11) MVFR1_EL1 - AArch32 Media and VFP Feature Register 1



     +------------------------------+---------+---------+

     | Name                         |  bits   | visible |

     +------------------------------+---------+---------+

     | SIMDFMAC                     | [31-28] |    y    |

     +------------------------------+---------+---------+

     | SIMDSP                       | [19-16] |    y    |

     +------------------------------+---------+---------+

     | SIMDInt                      | [15-12] |    y    |

     +------------------------------+---------+---------+

     | SIMDLS                       | [11-8]  |    y    |

     +------------------------------+---------+---------+



  12) ID_ISAR5_EL1 - AArch32 Instruction Set Attribute Register 5



     +------------------------------+---------+---------+

     | Name                         |  bits   | visible |

     +------------------------------+---------+---------+

     | CRC32                        | [19-16] |    y    |

     +------------------------------+---------+---------+

     | SHA2                         | [15-12] |    y    |

     +------------------------------+---------+---------+

     | SHA1                         | [11-8]  |    y    |

     +------------------------------+---------+---------+

     | AES                          | [7-4]   |    y    |

     +------------------------------+---------+---------+





Appendix I: Example

-------------------

Documentation/dev-tools/kmsan.rst

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@@ -67,6 +67,7 @@ uninitialized in the local variable, as well as the stack where the value was 
copied to another memory location before use.



A use of uninitialized value ``v`` is reported by KMSAN in the following cases:



 - in a condition, e.g. ``if (v) { ... }``;

 - in an indexing or pointer dereferencing, e.g. ``array[v]`` or ``*v``;

 - when it is copied to userspace or hardware, e.g. ``copy_to_user(..., &v, ...)``;

Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml

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@@ -15,9 +15,22 @@ description: 


properties:

  compatible:

    enum:

    oneOf:

      - enum:

          - qcom,sfpb-mutex

          - qcom,tcsr-mutex

      - items:

          - enum:

              - qcom,apq8084-tcsr-mutex

              - qcom,ipq6018-tcsr-mutex

              - qcom,msm8226-tcsr-mutex

              - qcom,msm8994-tcsr-mutex

          - const: qcom,tcsr-mutex

      - items:

          - enum:

              - qcom,msm8974-tcsr-mutex

          - const: qcom,tcsr-mutex

          - const: syscon



  reg:

    maxItems: 1
@@ -34,7 +47,7 @@ additionalProperties: false 


examples:

  - |

        tcsr_mutex: hwlock@1f40000 {

    hwlock@1f40000 {

        compatible = "qcom,tcsr-mutex";

        reg = <0x01f40000 0x40000>;

        #hwlock-cells = <1>;