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authorAlex Bennée <alex.bennee@linaro.org>2020-02-28 19:24:13 +0000
committerRichard Henderson <richard.henderson@linaro.org>2020-02-28 17:42:48 -0800
commit47a2def4533a2807e48954abd50b32ecb1aaf29a (patch)
tree647c0792d312df8c6f748c86ef7416312e2bae93 /accel
parenta2fa63a8f57b6294009f3db198fa841139051c56 (diff)
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accel/tcg: remove link between guest ram and TCG cache size
Basing the TB cache size on the ram_size was always a little heuristic and was broken by a1b18df9a4 which caused ram_size not to be fully realised at the time we initialise the TCG translation cache. The current DEFAULT_CODE_GEN_BUFFER_SIZE may still be a little small but follow-up patches will address that. Fixes: a1b18df9a4 Cc: Igor Mammedov <imammedo@redhat.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Niek Linnenbank <nieklinnenbank@gmail.com> Message-Id: <20200228192415.19867-3-alex.bennee@linaro.org> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel')
-rw-r--r--accel/tcg/translate-all.c8
1 files changed, 0 insertions, 8 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 238b0e5..5b66af7 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -938,15 +938,7 @@ static inline size_t size_code_gen_buffer(size_t tb_size)
{
/* Size the buffer. */
if (tb_size == 0) {
-#ifdef USE_STATIC_CODE_GEN_BUFFER
tb_size = DEFAULT_CODE_GEN_BUFFER_SIZE;
-#else
- /* ??? Needs adjustments. */
- /* ??? If we relax the requirement that CONFIG_USER_ONLY use the
- static buffer, we could size this on RESERVED_VA, on the text
- segment size of the executable, or continue to use the default. */
- tb_size = (unsigned long)(ram_size / 4);
-#endif
}
if (tb_size < MIN_CODE_GEN_BUFFER_SIZE) {
tb_size = MIN_CODE_GEN_BUFFER_SIZE;