Messages in this thread | | | Subject | Re: [PATCH] PPC64: lockfix for rtas error log | From | Benjamin Herrenschmidt <> | Date | Wed, 30 Jun 2004 14:02:17 -0500 |
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> Isn't the global buffer used since it's in BSS, and as such, in low > memory, guaranteed to be below 4GB? RTAS has limitations that restricts > any passed-in buffers to be addressable as 32-bit real mode pointers, right?
The global buffer is still used within the spinlocked region for RTAS itself, the patch just uses a local buffer and copies into it from the global one before releasing the lock.
Ben.
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