Re: [PATCH 6.12] Revert "um: work around sched_yield not yielding in time-travel mode"

2025-05-11 Thread Christian Lamparter
On 5/11/25 9:23 PM, Johannes Berg wrote: On Fri, 2025-05-09 at 11:50 +0200, Christian Lamparter wrote: What's interesting/very strange strange about this time-travel stuff: commit 0b8b2668f998 ("um: insert scheduler ticks when userspace does not yield") $ git descri

[PATCH 6.12] Revert "um: work around sched_yield not yielding in time-travel mode"

2025-05-09 Thread Christian Lamparter
nted: "I think it is better to just not backport commit 0b8b2668f998 ("um: insert scheduler ticks when userspace does not yield") " Link: https://lore.kernel.org/linux-um/8ce0b6056a9726e540f61bce77311278654219eb.ca...@sipsolutions.net/ Cc: # 6.12.y Cc: Benjamin Berg Signed-off

Missing patch in 6.12.27 - breaks UM target builds

2025-05-08 Thread Christian Lamparter
is it possible to backport 0b8b2668f9981c1fefc2ef892bd915288ef01f33 too? Or is it better to revert 887c5c12e80c8424bd471122d2e8b6b462e12874 again in the stable releases? Best Regards, Christian Lamparter --- I suspect it is this code in ASAN that uses sched_yield https://github.com/llvm/l

[PATCH v1 1/2] um: fix default console kernel parameter

2022-08-06 Thread Christian Lamparter
tty0 there. CC: Thomas Meyer Fixes: d7ffac33631b ("um: stdio_console: Make preferred console") Signed-off-by: Christian Lamparter --- arch/um/kernel/um_arch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c

[PATCH v1 2/2] um: increase default virtual physical memory to 64 MiB

2022-08-06 Thread Christian Lamparter
el command line parameters "mem=64M", will be passed to user space. That's why, I think it would be nicer, if this is working out of the box again :). Signed-off-by: Christian Lamparter --- arch/um/kernel/um_arch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) di