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authorDavid Woodhouse <dwmw2@infradead.org>2007-06-18 12:45:20 +1000
committerDave Airlie <airlied@linux.ie>2007-06-18 12:46:00 +1000
commit638ebbab54a48004c2e1d9cc5498e1dec976911e (patch)
tree4799906dc07cea95f607fc76179ea8e77f91e94d /intel
parent3d5d41fa9823cf44138c8f4bc954bca80539d74e (diff)
fix radeon setparam on 32/64 systems, harder.
Commit 9b01bd5b284bbf519b726b39f1352023cb5e9e69 introduced a compat_ioctl handler for RADEON_SETPARAM, the sole purpose of which was to handle the fact that on i386, alignof(uint64_t)==4. Unfortunately, this handler was installed for _all_ 64-bit architectures, instead of only x86_64 and ia64. And thus it breaks 32-bit compatibility on every other arch, where 64-bit integers are aligned to 8 bytes in 32-bit mode just the same as in 64-bit mode. Arnd has a cunning plan to use 'compat_u64' with appropriate alignment attributes according to the 32-bit ABI, but for now let's just make the compat_radeon_cp_setparam routine entirely disappear on 64-bit machines whose 32-bit compat support isn't for i386. It would be a no-op with compat_u64 anyway. Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Diffstat (limited to 'intel')
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