]> www.infradead.org Git - users/jedix/linux-maple.git/commit
x86/mm: Add INVLPGB support code
authorRik van Riel <riel@surriel.com>
Fri, 28 Feb 2025 19:32:30 +0000 (20:32 +0100)
committerIngo Molnar <mingo@kernel.org>
Wed, 19 Mar 2025 10:12:25 +0000 (11:12 +0100)
commitb7aa05cbdc52d61119b0e736bb3e288735f860fe
tree0e0c17f47f4f9936beef624d59225c4f952c3824
parent767ae437a32d644786c0779d0d54492ff9cbe574
x86/mm: Add INVLPGB support code

Add helper functions and definitions needed to use broadcast TLB
invalidation on AMD CPUs.

  [ bp:
      - Cleanup commit message
      - Improve and expand comments
      - push the preemption guards inside the invlpgb* helpers
      - merge improvements from dhansen
      - add !CONFIG_BROADCAST_TLB_FLUSH function stubs because Clang
can't do DCE properly yet and looks at the inline asm and
complains about it getting a u64 argument on 32-bit code ]

Signed-off-by: Rik van Riel <riel@surriel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Link: https://lore.kernel.org/r/20250226030129.530345-4-riel@surriel.com
arch/x86/include/asm/tlb.h