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| author | John Bates <jbates@chromium.org> | 2021-05-25 13:21:40 -0700 |
|---|---|---|
| committer | Marge Bot <eric+marge@anholt.net> | 2021-06-09 21:28:17 +0000 |
| commit | df1a4e749f5205c0a73671f5e3b59062b85fa565 (patch) | |
| tree | 756fdcdccacb346eb0caf3e140df60e8009756f5 /src | |
| parent | 8b7ff78443b0b3843be20928be63944eea540972 (diff) | |
| download | mesa-df1a4e749f5205c0a73671f5e3b59062b85fa565.tar.gz mesa-df1a4e749f5205c0a73671f5e3b59062b85fa565.tar.bz2 mesa-df1a4e749f5205c0a73671f5e3b59062b85fa565.zip | |
add execmem build option
The execmem option can be set to false to disable the dynamic
dispatch patching that requires mmap(PROT_WRITE | PROT_EXEC),
which is undesirable on some platforms.
Signed-off-by: John Bates <jbates@chromium.org>
Reviewed-by: Chia-I Wu <olvaffe@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10987>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mapi/u_execmem.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/src/mapi/u_execmem.c b/src/mapi/u_execmem.c index d6e64c08886..2bb63d02b26 100644 --- a/src/mapi/u_execmem.c +++ b/src/mapi/u_execmem.c @@ -121,6 +121,10 @@ init_map(void) void * u_execmem_alloc(unsigned int size) { +#ifndef MESA_EXECMEM + (void)size; + return NULL; +#else void *addr = NULL; mtx_lock(&exec_mutex); @@ -140,6 +144,7 @@ bail: mtx_unlock(&exec_mutex); return addr; +#endif /* MESA_EXECMEM */ } |