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accel/tcg: Make page_alloc_target_data allocation constant

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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>
This commit is contained in:
Richard Henderson 2022-09-17 14:25:12 +02:00
parent 7ed9e721cc
commit 50d4c8c1d4
5 changed files with 19 additions and 13 deletions
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4
target/arm/internals.h
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@ -1164,10 +1164,6 @@ void arm_log_exception(CPUState *cs);
*/
#define GMID_EL1_BS 6
/* We associate one allocation tag per 16 bytes, the minimum. */
#define LOG2_TAG_GRANULE 4
#define TAG_GRANULE (1 << LOG2_TAG_GRANULE)
/*
* SVE predicates are 1/8 the size of SVE vectors, and cannot use
* the same simd_desc() encoding due to restrictions on size.