diff options
| author | Sergey Fedorov <serge.fdrv@gmail.com> | 2016-04-22 19:08:46 +0300 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-05-12 14:06:40 -1000 |
| commit | 399f1648573d49b9411089e4e2ea62b6357b166e (patch) | |
| tree | b11495d97aab8616980103f3648f6599a1f15944 /translate-all.c | |
| parent | 76442a939ef8fc062b35a890a824de203bb5bd5f (diff) | |
tcg/ppc: Make direct jump patching thread-safe
Ensure direct jump patching in PPC is atomic by:
* limiting translation buffer size in 32-bit mode to be addressable by
Branch I-form instruction;
* using atomic_read()/atomic_set() for code patching.
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <1461341333-19646-5-git-send-email-sergey.fedorov@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'translate-all.c')
| -rw-r--r-- | translate-all.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/translate-all.c b/translate-all.c index 1a8f68bd82..781819e940 100644 --- a/translate-all.c +++ b/translate-all.c @@ -464,6 +464,8 @@ static inline PageDesc *page_find(tb_page_addr_t index) # define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024) #elif defined(__powerpc64__) # define MAX_CODE_GEN_BUFFER_SIZE (2ul * 1024 * 1024 * 1024) +#elif defined(__powerpc__) +# define MAX_CODE_GEN_BUFFER_SIZE (32u * 1024 * 1024) #elif defined(__aarch64__) # define MAX_CODE_GEN_BUFFER_SIZE (128ul * 1024 * 1024) #elif defined(__arm__) |