diff options
| -rw-r--r-- | accel/tcg/translate-all.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c index 5b66af783b..4ce5d1b393 100644 --- a/accel/tcg/translate-all.c +++ b/accel/tcg/translate-all.c @@ -892,11 +892,12 @@ static void page_lock_pair(PageDesc **ret_p1, tb_page_addr_t phys1, } } -#if defined(CONFIG_USER_ONLY) -/* Currently it is not recommended to allocate big chunks of data in - user mode. It will change when a dedicated libc will be used. */ -/* ??? 64-bit hosts ought to have no problem mmaping data outside the - region in which the guest needs to run. Revisit this. */ +#if defined(CONFIG_USER_ONLY) && TCG_TARGET_REG_BITS == 32 +/* + * For user mode on smaller 32 bit systems we may run into trouble + * allocating big chunks of data in the right place. On these systems + * we utilise a static code generation buffer directly in the binary. + */ #define USE_STATIC_CODE_GEN_BUFFER #endif |