Firmware
by David Woodhouse
Been playing with how I'd make the kernel package deal with the new
'make firmware_install' stuff. Currently looks something like this.
I suspect that (for now) we should make the kernel binary packages
depend on kernel-firmware?
Should the package own the /lib/firmware/ directory?
Ideally we'll want kernel-firmware to be a .noarch.rpm, but we can't get
that until we start to build it from a separate srpm.
Other comments?
(the patch is from git.infradead.org/users/dwmw2/firmware-2.6.git)
Index: config-generic
===================================================================
RCS file: /cvs/pkgs/rpms/kernel/devel/config-generic,v
retrieving revision 1.109
diff -u -p -r1.109 config-generic
--- config-generic 4 Jun 2008 00:22:50 -0000 1.109
+++ config-generic 9 Jun 2008 09:59:12 -0000
@@ -2479,9 +2479,9 @@ CONFIG_SND_ICE1724=m
CONFIG_SND_INTEL8X0=m
CONFIG_SND_INTEL8X0M=m
CONFIG_SND_KORG1212=m
-CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL=y
+# CONFIG_SND_KORG1212_FIRMWARE_IN_KERNEL is not set
CONFIG_SND_MAESTRO3=m
-CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL=y
+# CONFIG_SND_MAESTRO3_FIRMWARE_IN_KERNEL is not set
CONFIG_SND_MIRO=m
CONFIG_SND_MIXART=m
CONFIG_SND_NM256=m
@@ -2502,7 +2502,7 @@ CONFIG_SND_VIA82XX_MODEM=m
CONFIG_SND_VIRTUOSO=m
CONFIG_SND_VX222=m
CONFIG_SND_YMFPCI=m
-CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL=y
+# CONFIG_SND_YMFPCI_FIRMWARE_IN_KERNEL is not set
#
# ALSA USB devices
@@ -3536,3 +3536,14 @@ CONFIG_SOC_CAMERA_MT9M001=m
CONFIG_SOC_CAMERA_MT9V022=m
# MT9V022_PCA9536_SWITCH is not set
+CONFIG_BUILTIN_FIRMWARE=""
+# CONFIG_USB_KAWETH_FIRMWARE is not set
+# CONFIG_DVB_TTUSB_BUDGET_FIRMWARE is not set
+# CONFIG_USB_SERIAL_WHITEHEAT_FIRMWARE is not set
+# CONFIG_USB_SERIAL_KEYSPAN_PDA_FIRMWARE is not set
+# CONFIG_USB_SERIAL_TI_3410_FIRMWARE is not set
+# CONFIG_USB_SERIAL_TI_5052_FIRMWARE is not set
+# CONFIG_USB_SERIAL_XIRCOM_FIRMWARE is not set
+# CONFIG_USB_EMI62_FIRMWARE is not set
+# CONFIG_USB_EMI26_FIRMWARE is not set
+
Index: kernel.spec
===================================================================
RCS file: /cvs/pkgs/rpms/kernel/devel/kernel.spec,v
retrieving revision 1.679
diff -u -p -r1.679 kernel.spec
--- kernel.spec 7 Jun 2008 01:48:53 -0000 1.679
+++ kernel.spec 9 Jun 2008 09:59:13 -0000
@@ -76,6 +76,8 @@ Summary: The Linux kernel (the core of t
%define with_doc %{?_without_doc: 0} %{?!_without_doc: 1}
# kernel-headers
%define with_headers %{?_without_headers: 0} %{?!_without_headers: 1}
+# kernel-firmware
+%define with_firmware %{?_without_firmware: 0} %{?!_without_firmware: 1}
# kernel-debuginfo
%define with_debuginfo %{?_without_debuginfo: 0} %{!?_without_debuginfo: 1}
# kernel-bootwrapper (for creating zImages from kernel + initrd)
@@ -565,6 +567,7 @@ Patch07: linux-2.6-compile-fixes.patch
#Patch08: linux-2.6-compile-fix-gcc-43.patch
%if !%{nopatches}
+Patch5: linux-2.6-firmware.patch
Patch10: linux-2.6-hotfixes.patch
@@ -693,6 +696,14 @@ header files define structures and const
building most standard programs and are also needed for rebuilding the
glibc package.
+%package firmware
+Summary: Firmware files used by the Linux kernel
+Group: Development/System
+License: Redistributable
+%description firmware
+Kernel-firmware includes firmware files required for some devices to
+operate.
+
%package bootwrapper
Summary: Boot wrapper files for generating combined kernel + initrd images
Group: Development/System
@@ -992,6 +1003,7 @@ fi
%if !%{nopatches}
+ApplyPatch linux-2.6-firmware.patch
ApplyPatch linux-2.6-hotfixes.patch
# Roland's utrace ptrace replacement.
@@ -1581,6 +1593,10 @@ rm -f $RPM_BUILD_ROOT/usr/include/asm*/i
rm -f $RPM_BUILD_ROOT/usr/include/asm*/irq.h
%endif
+%if %{with_firmware}
+make INSTALL_FW_PATH=$RPM_BUILD_ROOT/lib/firmware firmware_install
+%endif
+
%if %{with_bootwrapper}
make DESTDIR=$RPM_BUILD_ROOT bootwrapper_install WRAPPER_OBJDIR=%{_libdir}/kernel-wrapper WRAPPER_DTSDIR=%{_libdir}/kernel-wrapper/dts
%endif
@@ -1690,6 +1706,12 @@ fi
/usr/include/*
%endif
+%if %{with_firmware}
+%files firmware
+%defattr(-,root,root)
+/lib/firmware/*
+%endif
+
%if %{with_bootwrapper}
%files bootwrapper
%defattr(-,root,root)
--
dwmw2
15 years, 9 months
[PATCH] ia64: export account_system_vtime
by Doug Chapman
This has been pushed and ACKed upstream on the linux-ia64 list. If
possible I would like to get this pulled into Fedora now since it breaks
Fedora ia64 kernel builds.
thanks,
- Doug
----------------------------
The symbol account_system_vtime is used by the kvm module but
not exported. This breaks building with CONFIG_VIRT_CPU_ACCOUNTING
and CONFIG_KVM=m.
Signed-off-by: Doug Chapman <doug.chapman(a)hp.com>
Acked-by: Hidetoshi Seto <seto.hidetoshi(a)jp.fujitsu.com>
---
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 8c73643..aad1b7b 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -117,6 +117,7 @@ void account_system_vtime(struct task_struct *tsk)
local_irq_restore(flags);
}
+EXPORT_SYMBOL_GPL(account_system_vtime);
/*
* Called from the timer interrupt handler to charge accumulated user time
15 years, 10 months
kernel module options for cpufreq
by Richard Hughes
At the moment we set:
# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
# CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND is not set
# CONFIG_CPU_FREQ_DEFAULT_GOV_CONSERVATIVE is not set
CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
CONFIG_CPU_FREQ_GOV_POWERSAVE=m
CONFIG_CPU_FREQ_GOV_USERSPACE=y
CONFIG_CPU_FREQ_GOV_ONDEMAND=m
CONFIG_CPU_FREQ_GOV_CONSERVATIVE=m
This is not ideal from a power-saving point of view.
In an ideal world we would:
* remove CONFIG_CPU_FREQ_GOV_CONSERVATIVE -- ondemand does a better job
on all workloads
* remove CONFIG_CPU_FREQ_GOV_USERSPACE -- we have nothing in userspace
that needs this sort of control, and if we did, the latency would be
horrible
* remove CONFIG_CPU_FREQ_GOV_POWERSAVE -- ondemand automatically
throttles down to lowest, and is just a hardcoded state
* compile into the kernel CONFIG_CPU_FREQ_GOV_ONDEMAND -- we really
want to be running this on all systems that support it
* set ONDEMAND or PERFORMANCE to default as USERSPACE is just changed
to something else by cpuspeed. You really don't want to be using
USERSPACE at all.
Matthew Garrett and I are working on a latency profile for power
management, and having all these modules potentially loaded is bad.
Comments?
Richard.
15 years, 10 months
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15 years, 10 months
revisit: turning some of the "always used" modules to built-in
by Arjan van de Ven
A few weeks ago the discussion about considering making some of the things
in the fedora kernel not-a-module came up, but then died out. I'd like
to revisit that discussion with a very specific proposal of things
to turn into built-in.
For me, there are 3 key reasons to make certain things not-a-module:
1) Built-in code is easier to debug/diagnose. This may sound weird, but
really, things inside the vmlinux allow for much better automated
bug diagnostics/analysis.
( and the www.kerneloops.org site uses these, but can only do the more
advanced automatic analysis on the built-in oopses)
2) Built-in code tends to be smaller and faster; there is a space and TLB
overhead associated with modules (several datastructures get rounded up
to 4K boundaries, and modules are vmalloc'd which has TLB overhead)
3) A system with key functionality not-in-the-vmlinux is more fragile
if something goes wrong
With this in mind, I came up with the list below, I've split it into 4
categories.
I would like to ask feedback on this list, with the goal of getting
these changes made to fedora 10 asap to then get a wider audience input
to see if anything breaks.
Category 1: Always loaded anyway
--------------------------------
Rationale: Since we load these always anyway, why bother making it modules
- ata_generic, pata_acpi
- libata
- sg, sd_mod, scsi_mod
- ext3, jbd, mbcache
Category 2: Always loaded in default install
--------------------------------------------
Rationale: yes you can turn off your firewall.. but nobody should do that.
The others are default-loaded as well
- ip_tables, iptable_filter
- ip6_tables, ip6table_filter
- dm_mod
- ipv6
- battery, ac, button, video, output
Category 3: popular/very common and makes the system more robust
----------------------------------------------------------------
Rationale: having these built in makes the system more robust, also
in case of failure
- ahci (default storage for all new systems; means that there the system
always has the / device driver)
- ehci_hcd (means you have a USB keyboard early)
- cpufreq_ondemand (means the cpu can slow down for power/thermal)
- acpi_cpufreq (means the cpu can slow down for power/thermal)
Category 4: VERY popular
------------------------
Rationale: pretty much always loaded in default installs
- snd_seq_dummy, snd_seq, snd_seq_device,
snd_pcm, snd_timer, snd_page_alloc, snd
15 years, 10 months
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15 years, 10 months
