From: Samuel Holland <samuel.holland@sifive.com>
To: Palmer Dabbelt <palmer@dabbelt.com>, linux-riscv@lists.infradead.org
Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org,
Alexandre Ghiti <alexghiti@rivosinc.com>,
Samuel Holland <samuel.holland@sifive.com>
Subject: [PATCH v3 6/8] riscv: mm: Make asid_bits a local variable
Date: Tue, 21 Nov 2023 17:07:17 -0800 [thread overview]
Message-ID: <20231122010815.3545294-7-samuel.holland@sifive.com> (raw)
In-Reply-To: <20231122010815.3545294-1-samuel.holland@sifive.com>
This variable is only used inside asids_init().
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
---
(no changes since v1)
arch/riscv/mm/context.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/arch/riscv/mm/context.c b/arch/riscv/mm/context.c
index b5170ac1b742..43a8bc2d5af4 100644
--- a/arch/riscv/mm/context.c
+++ b/arch/riscv/mm/context.c
@@ -20,7 +20,6 @@
DEFINE_STATIC_KEY_FALSE(use_asid_allocator);
-static unsigned long asid_bits;
static unsigned long num_asids;
static atomic_long_t current_version;
@@ -226,7 +225,7 @@ static inline void set_mm(struct mm_struct *prev,
static int __init asids_init(void)
{
- unsigned long old;
+ unsigned long asid_bits, old;
/* Figure-out number of ASID bits in HW */
old = csr_read(CSR_SATP);
--
2.42.0
next prev parent reply other threads:[~2023-11-22 1:08 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-22 1:07 [PATCH v3 0/8] riscv: ASID-related and UP-related TLB flush enhancements Samuel Holland
2023-11-22 1:07 ` [PATCH v3 1/8] riscv: mm: Combine the SMP and UP TLB flush code Samuel Holland
2023-11-22 1:07 ` [PATCH v3 2/8] riscv: Apply SiFive CIP-1200 workaround to single-ASID sfence.vma Samuel Holland
2023-11-22 1:07 ` [PATCH v3 3/8] riscv: Avoid TLB flush loops when affected by SiFive CIP-1200 Samuel Holland
2023-11-22 17:34 ` kernel test robot
2023-11-22 1:07 ` [PATCH v3 4/8] riscv: mm: Introduce cntx2asid/cntx2version helper macros Samuel Holland
2023-11-22 1:07 ` [PATCH v3 5/8] riscv: mm: Use a fixed layout for the MM context ID Samuel Holland
2023-11-22 1:07 ` Samuel Holland [this message]
2023-11-22 1:07 ` [PATCH v3 7/8] riscv: mm: Preserve global TLB entries when switching contexts Samuel Holland
2023-11-22 1:07 ` [PATCH v3 8/8] riscv: mm: Always use ASID to flush MM contexts Samuel Holland
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