On 11/17/2015 01:17 PM, Rob Herring wrote:
+- record-size: maximum size in bytes of each dump done on oops/panic
+ (defaults to 0)
Perhaps the default should be something useful.
It's kind of a weird default, but I don't have any ideas for a better one.
First, the size you want is really determined by the number of dumps you
want to keep in your circular buffer. That's not something I want to
guess at.
Second, at least IME, a lot of devices legitimately want this set to 0.
They're pulling in ramoops for the persistent kernel and userspace logs.
+- unbuffered: if present, use uncached mappings to map the reserved region
+ (defaults to cached mappings)
It defaults to write-combined or buffered which is not really cached.
Will fix.
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