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On Tue, May 7, 2019, 10:19 AM Shrikant Giridhar
wrote:
> Hi,
>
> I was looking at arch code setting up page fault handling in the kernel
> and came away with a couple of questions.
>
> Can hardware interrupts (non-NMI) occur during page faults? On x86, I
> notice that the page
Hi,
I was looking at arch code setting up page fault handling in the kernel and
came away with a couple of questions.
Can hardware interrupts (non-NMI) occur during page faults? On x86, I
notice that the page fault handler is set up with an interrupt gate which
should clear the IF (Interrupt
On Fri, 16 Jun 2017, Rohan Puri wrote:
> If s_root is set it means the superblock is already filled up so call
> fill_super() only if s_root is NULL meaning superblock is not filled yet.
I tried looking at the d_name of the s_root dentry when mounting a device and
its always '/'. I presume this
> I just had a quick look at mount_bdev() code for Linux v3.15, mount_bdev()
> can return only root dentry or error.
I'm sorry I should have been clearer. I was referring to the documentation
mount() where it says that the call can return something other than the root
dentry.
More specifically,