The patch titled
pps: make pps_gen_parport depend on BROKEN
has been added to the -mm tree. Its filename is
pps-make-pps_gen_parport-depend-on-broken.patch
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------------------------------------------------------
Subject: pps: make pps_gen_parport depend on BROKEN
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
This driver causes hard lockups, when the active clock soure is jiffies.
The reason is that it loops with interrupts disabled waiting for a
timestamp to be reached by polling getnstimeofday(). Though with a
jiffies clocksource, when that code runs on the same CPU which is
responsible for updating jiffies, then we loop in circles for ever simply
because the timer interrupt cannot update jiffies. So both UP and SMP can
be affected.
There is no easy fix for that problem so make it depend on BROKEN for now.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: Alexander Gordeev <lasaine@xxxxxxxxxxxxx>
Cc: Rodolfo Giometti <giometti@xxxxxxxx>
Cc: john stultz <johnstul@xxxxxxxxxx>
Cc: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/pps/generators/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff -puN drivers/pps/generators/Kconfig~pps-make-pps_gen_parport-depend-on-broken drivers/pps/generators/Kconfig
--- a/drivers/pps/generators/Kconfig~pps-make-pps_gen_parport-depend-on-broken
+++ a/drivers/pps/generators/Kconfig
@@ -6,7 +6,7 @@ comment "PPS generators support"
config PPS_GENERATOR_PARPORT
tristate "Parallel port PPS signal generator"
- depends on PARPORT
+ depends on PARPORT && BROKEN
help
If you say yes here you get support for a PPS signal generator which
utilizes STROBE pin of a parallel port to send PPS signals. It uses
_
Patches currently in -mm which might be from tglx@xxxxxxxxxxxxx are
origin.patch
linux-next.patch
pps-make-pps_gen_parport-depend-on-broken.patch
x86-fix-pgd_lock-deadlock.patch
arch-x86-include-asm-delayh-fix-udelay-and-ndelay-for-8-bit-args.patch
drivers-dma-ipu-ipu_irqc-irq_data-conversion.patch
hpet-factor-timer-allocate-from-open.patch
add-the-common-dma_addr_t-typedef-to-include-linux-typesh.patch
move-x86-specific-oops=panic-to-generic-code.patch
pnp-only-assign-ioresource_dma-if-config_isa_dma_api-is-enabled.patch
x86-only-compile-8237a-if-config_isa_dma_api-is-enabled.patch
x86-only-compile-floppy-driver-if-config_isa_dma_api-is-enabled.patch
x86-allow-config_isa_dma_api-to-be-disabled.patch
crash_dump-export-is_kdump_kernel-to-modules-consolidate-elfcorehdr_addr-setup_elfcorehdr-and-saved_max_pfn.patch
crash_dump-export-is_kdump_kernel-to-modules-consolidate-elfcorehdr_addr-setup_elfcorehdr-and-saved_max_pfn-fix.patch
crash_dump-export-is_kdump_kernel-to-modules-consolidate-elfcorehdr_addr-setup_elfcorehdr-and-saved_max_pfn-fix-fix.patch
asm-generic-change-little-endian-bitops-to-take-any-pointer-types.patch
bitops-introduce-little-endian-bitops-for-most-architectures.patch
memblock-add-input-size-checking-to-memblock_find_region.patch
memblock-add-input-size-checking-to-memblock_find_region-fix.patch
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