Sean Christopherson 869c706092 RISC-V: Use common riscv_cpuid_to_hartid_mask() for both SMP=y and SMP=n
Use what is currently the SMP=y version of riscv_cpuid_to_hartid_mask()
for both SMP=y and SMP=n to fix a build failure with KVM=m and SMP=n due
to boot_cpu_hartid not being exported.  This also fixes a second bug
where the SMP=n version assumes the sole CPU in the system is in the
incoming mask, which may not hold true in kvm_riscv_vcpu_sbi_ecall() if
the KVM guest VM has multiple vCPUs (on a SMP=n system).

Fixes: 1ef46c231d ("RISC-V: Implement new SBI v0.2 extensions")
Reported-by: Adam Borowski <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Signed-off-by: Sean Christopherson <[email protected]>
Cc: [email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>
2022-01-09 12:13:31 -08:00
2021-11-14 13:56:52 -08:00

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.
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