unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

riscv: mm: Make asid_bits a local variable

Browse source 
This variable is only used inside asids_init().

Reviewed-by: Alexandre Ghiti <alexghiti@rivosinc.com>
Signed-off-by: Samuel Holland <samuel.holland@sifive.com>
Link: https://lore.kernel.org/r/20240327045035.368512-12-samuel.holland@sifive.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
This commit is contained in:
Samuel Holland 2024-03-26 21:49:52 -07:00 committed by Palmer Dabbelt
parent f58e5dc45f
commit 8d3e7613f9
No known key found for this signature in database
GPG key ID: 2E1319F35FBB1889
1 changed files with 1 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
arch/riscv/mm/context.c
View file

@ -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);