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| -rw-r--r-- | open_issues/benefits_of_a_native_hurd_implementation.mdwn | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/open_issues/benefits_of_a_native_hurd_implementation.mdwn b/open_issues/benefits_of_a_native_hurd_implementation.mdwn index 34e49e86..af96ce62 100644 --- a/open_issues/benefits_of_a_native_hurd_implementation.mdwn +++ b/open_issues/benefits_of_a_native_hurd_implementation.mdwn @@ -85,3 +85,48 @@ IRC, #hurd, August / September 2010 <marcusb> ArneBab: as a side note, although people keep complaining, the linux kernel seems to be growing steadily, so getting stuff into the kernel doesn't seem too hard. 8-O + +--- + +IRC, #hurd, 2010-12-28 + + <tim> but is monolithic so bad? + <sartakov> yep + <braunr> no it's not + <braunr> proof: it works very well for most people + [...] + <braunr> the real problem is extensibility and interfaces + <tim> :/ whats the huge advantage of micro-k + <braunr> extensibility + <tim> over? + <braunr> you can add a whole lot of new services for new purposes with new + interfaces without changing the kernel + <tim> oright + <braunr> it basically boils down to the original Unix idea: everything does + one thing well + [...] + <kilobug> well, I would say extensibility and fault-tolerance are the two + key advantages + <braunr> taht's a side effect + <braunr> there are fault taulerant monolithic kernels + [...] + <braunr> tolerant* + <braunr> and the hurd is for now a non fault-tolerant microkernel based OS + :/ + [...] + <kilobug> braunr: not really; you can't ensure fault tolerance for code + running in kernel space, code running in kernel space can do everything, + including reboot, crash, ... + [...] + <braunr> kilobug: right, a monolithick kernel is less folt-tolerant than a + well designed/implemented microkernel based os + <kilobug> braunr: well, the Hurd is buggy nowadays, but things like an + ext2fs translator doing a segfault and being restarted is a + fault-tolerance that would be almost impossible to have in Linux + <kilobug> braunr: sure, you can have fault-tolerance with FUSE, but FUSE is + applying micro-kernel paradigm to Linux + [...] + <braunr> the reason i don't care that much about fault tolerance is that + Linux obviously shows a monolithic kernel can run almost flawlessly if + well written + <braunr> but extensibility is really another matter |