diff options
| author | Jie Zhang <jie.zhang@analog.com> | 2008-10-28 15:57:49 +0800 |
|---|---|---|
| committer | Bryan Wu <cooloney@kernel.org> | 2008-10-28 15:57:49 +0800 |
| commit | b2c2f30388c682520ae2d07c8852b4225dd4a4d7 (patch) | |
| tree | d3df54438d368c27bbc269462cc495c1487dde47 /arch/blackfin/kernel/process.c | |
| parent | 72edff8dd45fdee6e1a2bc431baefd8a5372f7cb (diff) | |
Blackfin arch: fix bug - shared lib function in L2 failed be called
Allow user space to access L2 SRAM.
Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Diffstat (limited to 'arch/blackfin/kernel/process.c')
| -rw-r--r-- | arch/blackfin/kernel/process.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c index 77800dd83e57..0c3ea118b657 100644 --- a/arch/blackfin/kernel/process.c +++ b/arch/blackfin/kernel/process.c @@ -351,10 +351,15 @@ int _access_ok(unsigned long addr, unsigned long size) return 1; #endif #if L1_DATA_B_LENGTH != 0 - if (addr >= L1_DATA_B_START + if (addr >= L1_DATA_B_START + (_ebss_b_l1 - _sdata_b_l1) && addr + size <= L1_DATA_B_START + L1_DATA_B_LENGTH) return 1; #endif +#if L2_LENGTH != 0 + if (addr >= L2_START + (_ebss_l2 - _stext_l2) + && addr + size <= L2_START + L2_LENGTH) + return 1; +#endif return 0; } EXPORT_SYMBOL(_access_ok); |