Re: [systemd-devel] [syslinux] Read and publish firmware time stamps and boot time

2015-04-07 Thread H. Peter Anvin
On 04/06/2015 02:13 PM, Paul Menzel via Syslinux wrote: >> >> The kernel boot protocol should probably be extended to accept a block >> of values to be passed from the loader to the OS, and be exported >> somewhere by the kernel itself to userspace. >> We have that, it is called initramfs. It con

Re: [systemd-devel] [PATCH] nspawn: allow 32-bit chroots from 64-bit hosts

2014-02-18 Thread H. Peter Anvin
On 02/18/2014 11:52 AM, Dave Reisner wrote: > On Tue, Feb 18, 2014 at 02:44:14PM -0500, Dave Reisner wrote: >> Arch Linux uses nspawn as a container for building packages and needs >> to be able to start a 32bit chroot from a 64bit host. 24fb11120756 >> disrupted this feature when seccomp handling

Re: [systemd-devel] needed steps to get rebootless upgrade

2014-02-18 Thread H. Peter Anvin
On 02/18/2014 02:32 AM, Vasiliy Tolstov wrote: 2014-02-18 0:29 GMT+04:00 H. Peter Anvin : Well, kexec passes an initramfs like any other boot. Thanks. If that possible to not load initrd via kexec, but use already unpacked image in the memory? Not if it is an (init)ramfs. If it is an

Re: [systemd-devel] needed steps to get rebootless upgrade

2014-02-17 Thread H. Peter Anvin
Well, kexec passes an initramfs like any other boot. On February 17, 2014 12:27:34 PM PST, Vasiliy Tolstov wrote: >2014-02-18 0:07 GMT+04:00 H. Peter Anvin : >> kexec? > > >Is that possible to keep ramdisk while doing kexec? -- Sent from my mobile phone. Please pardon b

Re: [systemd-devel] needed steps to get rebootless upgrade

2014-02-17 Thread H. Peter Anvin
On 02/17/2014 12:01 PM, Vasiliy Tolstov wrote: > 2014-02-17 18:40 GMT+04:00 Koen Kooi : >> If we stretch the definition of 'reboot' a bit, would it be possible to >> shutdown, jump back into the initramfs, do the updates and jump to the main >> rootfs again? It assumes you have an initramfs and a

Re: [systemd-devel] needed steps to get rebootless upgrade

2014-02-17 Thread H. Peter Anvin
On 02/17/2014 06:40 AM, Koen Kooi wrote: > > If we stretch the definition of 'reboot' a bit, would it be possible > to shutdown, jump back into the initramfs, do the updates and jump to > the main rootfs again? It assumes you have an initramfs and all your > apps will close, but the machine doesn'