On 11/03/2021 19.02, Linus Torvalds wrote:
> On Wed, Mar 10, 2021 at 5:45 PM Rasmus Villemoes
> wrote:
>>
>> Hm, gcc does elide the test of the return value, but jumps back to a
>> place where it always loads state from its memory location and does the
>> whole switch(). To get it to jump directly
On Wed, Mar 10, 2021 at 5:45 PM Rasmus Villemoes
wrote:
>
> Hm, gcc does elide the test of the return value, but jumps back to a
> place where it always loads state from its memory location and does the
> whole switch(). To get it to jump directly to the code implementing the
> various do_* helper
On Tue, Mar 09, 2021 at 02:07:36PM -0800, Linus Torvalds wrote:
> On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
> wrote:
> >
> > So add an initramfs_async= kernel parameter, allowing the main init
> > process to proceed to handling device_initcall()s without waiting for
> > populate_rootfs() to
On 11/03/2021 01.17, Rasmus Villemoes wrote:
> On 09/03/2021 23.16, Linus Torvalds wrote:
>> On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
>> wrote:
>>>
>>> So add an initramfs_async= kernel parameter, allowing the main init
>>> process to proceed to handling device_initcall()s without waiting f
On 09/03/2021 23.16, Linus Torvalds wrote:
> On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
> wrote:
>>
>> So add an initramfs_async= kernel parameter, allowing the main init
>> process to proceed to handling device_initcall()s without waiting for
>> populate_rootfs() to finish.
>
> Oh, and a co
On 09/03/2021 23.16, Linus Torvalds wrote:
> On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
> wrote:
>>
>> So add an initramfs_async= kernel parameter, allowing the main init
>> process to proceed to handling device_initcall()s without waiting for
>> populate_rootfs() to finish.
>
> Oh, and a co
On 09/03/2021 23.07, Linus Torvalds wrote:
> On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
> wrote:
>>
>> So add an initramfs_async= kernel parameter, allowing the main init
>> process to proceed to handling device_initcall()s without waiting for
>> populate_rootfs() to finish.
>
> I like this
On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
wrote:
>
> So add an initramfs_async= kernel parameter, allowing the main init
> process to proceed to handling device_initcall()s without waiting for
> populate_rootfs() to finish.
Oh, and a completely unrelated second comment about this: some of t
On Tue, Mar 9, 2021 at 1:17 PM Rasmus Villemoes
wrote:
>
> So add an initramfs_async= kernel parameter, allowing the main init
> process to proceed to handling device_initcall()s without waiting for
> populate_rootfs() to finish.
I like this smaller second version of the patch, but am wondering w
This is primarily motivated by an embedded ppc target, where unpacking
even the rather modest sized initramfs takes 0.6 seconds, which is
long enough that the external watchdog becomes unhappy that it doesn't
get attention soon enough. By doing the initramfs decompression in a
worker thread, we get
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