[PATCH -fixes] riscv: Do not allow vmap pud mappings for 3-level page table

[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,  8 Aug 2023 15:07:09 +0200 you wrote:
> The vmalloc_fault() path was removed and to avoid syncing the vmalloc PGD
> mappings, they are now preallocated. But if the kernel can use a PUD
> mapping (which in sv39 is actually a PGD mapping) for large vmalloc
> allocation, it will free the current unused preallocated PGD mapping and
> install a new leaf one. Since there is no sync anymore, some page tables
> lack this new mapping and that triggers a panic.
> 
> [...]

Here is the summary with links:
  - [-fixes] riscv: Do not allow vmap pud mappings for 3-level page table
    https://git.kernel.org/riscv/c/d566bea4a638

You are awesome, thank you!
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