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authorRichard Henderson <richard.henderson@linaro.org>2022-09-17 14:25:12 +0200
committerRichard Henderson <richard.henderson@linaro.org>2022-10-26 11:11:28 +1000
commit50d4c8c1d433ae843a6b86a65467c507095f65f1 (patch)
tree6c5fe4a6b10dc82d545a62523d5620c4b72b7adc /target/arm/mte_helper.c
parent7ed9e721cce2ccf6a1da22cd0e713c2a0d187457 (diff)
accel/tcg: Make page_alloc_target_data allocation constant
Use a constant target data allocation size for all pages. This will be necessary to reduce overhead of page tracking. Since TARGET_PAGE_DATA_SIZE is now required, we can use this to omit data tracking for targets that don't require it. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'target/arm/mte_helper.c')
-rw-r--r--target/arm/mte_helper.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/target/arm/mte_helper.c b/target/arm/mte_helper.c
index e85208339e..a9c5fc2cb2 100644
--- a/target/arm/mte_helper.c
+++ b/target/arm/mte_helper.c
@@ -96,8 +96,7 @@ static uint8_t *allocation_tag_mem(CPUARMState *env, int ptr_mmu_idx,
tags = page_get_target_data(clean_ptr);
if (tags == NULL) {
- size_t alloc_size = TARGET_PAGE_SIZE >> (LOG2_TAG_GRANULE + 1);
- tags = page_alloc_target_data(clean_ptr, alloc_size);
+ tags = page_alloc_target_data(clean_ptr);
assert(tags != NULL);
}