* [PATCH] x86/mm: remove unused CR3_HW_ASID_BITS
@ 2024-04-25 21:59 Yosry Ahmed
0 siblings, 0 replies; only message in thread
From: Yosry Ahmed @ 2024-04-25 21:59 UTC (permalink / raw)
To: x86, Thomas Gleixner, Ingo Molnar
Cc: Borislav Petkov, Dave Hansen, H. Peter Anvin, Andy Lutomirski,
Peter Zijlstra, Kirill A. Shutemov, Rick Edgecombe,
Andrew Morton, linux-mm, linux-kernel, Yosry Ahmed
Commit 6fd166aae78c ("x86/mm: Use/Fix PCID to optimize user/kernel
switches") removed the last usage of CR3_HW_ASID_BITS and opted to use
X86_CR3_PCID_BITS instead. Remove CR3_HW_ASID_BITS.
Signed-off-by: Yosry Ahmed <yosryahmed@google.com>
---
arch/x86/mm/tlb.c | 3 ---
1 file changed, 3 deletions(-)
diff --git a/arch/x86/mm/tlb.c b/arch/x86/mm/tlb.c
index 44ac64f3a047c..a2ba5bb201705 100644
--- a/arch/x86/mm/tlb.c
+++ b/arch/x86/mm/tlb.c
@@ -85,9 +85,6 @@
*
*/
-/* There are 12 bits of space for ASIDS in CR3 */
-#define CR3_HW_ASID_BITS 12
-
/*
* When enabled, MITIGATION_PAGE_TABLE_ISOLATION consumes a single bit for
* user/kernel switches
--
2.44.0.769.g3c40516874-goog
^ permalink raw reply related [flat|nested] only message in thread
only message in thread, other threads:[~2024-04-25 21:59 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2024-04-25 21:59 [PATCH] x86/mm: remove unused CR3_HW_ASID_BITS Yosry Ahmed
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).