[PATCH -fixes] riscv: Implement flush_cache_vmap()

[patchwork-bot+linux-riscv at kernel.org]

Hello:

This patch was applied to riscv/linux.git (fixes)
by Palmer Dabbelt <palmer at rivosinc.com>:

On Tue, 25 Jul 2023 15:22:46 +0200 you wrote:
> The RISC-V kernel needs a sfence.vma after a page table modification: we
> used to rely on the vmalloc fault handling to emit an sfence.vma, but
> commit 7d3332be011e ("riscv: mm: Pre-allocate PGD entries for
> vmalloc/modules area") got rid of this path for 64-bit kernels, so now we
> need to explicitly emit a sfence.vma in flush_cache_vmap().
> 
> Note that we don't need to implement flush_cache_vunmap() as the generic
> code should emit a flush tlb after unmapping a vmalloc region.
> 
> [...]

Here is the summary with links:
  - [-fixes] riscv: Implement flush_cache_vmap()
    https://git.kernel.org/riscv/c/7e3811521dc3

You are awesome, thank you!
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