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Create a -developer kernel type definition, so we can keep the
standard one smaller.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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1/1 [
Author: Bruce Ashfield
Email: bruce.ashfield@gmail.com
Subject: mips: Kconfig: add QEMUMIPS64 option
Date: Tue, 7 Jan 2020 03:34:12 +0000
In 5.4+ mips has switched to using the generic VDSO implementation, in
particular the following commits are the bulk of the changes:
932bb934ed4d mips: compat: vdso: Use legacy syscalls as fallback
cdab7e2c73d5 mips: vdso: Fix flip/flop vdso building bug
b4c0f7fa5308 mips: vdso: Fix source path
1f66c45db330 mips: Add clock_gettime64 entry point
abed3d826f2f mips: Add clock_getres entry point
6393e6064486 mips: fix vdso32 build, again
24640f233b46 mips: Add support for generic vDSO
8919975b6171 MIPS: VDSO: Fix build for binutils < 2.25
90800281e761 MIPS: VDSO: Remove unused gettimeofday.c
There is a (currently) unknown interaction between qemumips64, the
mti_malta64 platform, glibc and VDSO that causes a segfault when
gettimeofday is called during boot. It appears that the VDSO
configuration of the gic address is incorrect, and hence when
read_gic_count() is called during do_hres() initialization, the
page is not properly mapped and a segfault is triggered.
If we avoid reading the gic, and let the vdso syscall fallbacks
be enabled, we are find for boot. The most flexible way to avoid
these reads is to make the two malta clocksources not be selected
when we are booting under qemumips64. This allows other platforms
to not be impacted.
Once a root cause of this bad mapping is found, we can drop the
new CONFIG_QEMUMIPS64 option and behaviour will revert to using
the git automatically.
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Yann CARDAILLAC <ycnakajsph@gmail.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@gmail.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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USB configurations were implicitly being enabled via the WACOM
USB tablet Kconfig. To align the arm, ppc and mips qemu machine with
the other BSPs, we should explicitly include the USB options, rather
than relying on the implicit mechanism.
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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The problem the mips machines apparently ran into was due to
CONFIG_FUNCTION_TRACER et al - no need to disable all of the tracing
infrastructure (CONFIG_FTRACE) to disable that.
Also, the ftrace-disable feature they were using disabled
CONFIG_DEBUG_KERNEL too, which is just a switch to allow other options
to be enabled but doesn't enable anything on itself, so no need for
that either.
Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Include cfg/mips64.scc to add the support for o32 and n32
userspace binaries.
Signed-off-by: Jackie Huang <jackie.huang@windriver.com>
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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1/1 [
Author: Bruce Ashfield
Email: bruce.ashfield@windriver.com
Subject: Revert "Input: i8042-io - fix up region handling on MIPS"
Date: Wed, 10 Apr 2013 18:23:03 -0700
This reverts commit 197a1e96c8be5b6005145af3a4c0e45e2d651444.
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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1/2 [
Author: Bruce Ashfield
Email: bruce.ashfield@windriver.com
Subject: Revert "MIPS: Function tracer: Fix broken function tracing"
Date: Thu, 4 Apr 2013 23:39:57 -0400
This reverts commit 58b69401c797e470c8f638c598dddc44a4ce8a96.
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2/2 [
Author: Bruce Ashfield
Email: bruce.ashfield@windriver.com
Subject: oprofile/mips: do not set perf_irq for qemu mips 64
Date: Fri, 5 Apr 2013 00:11:33 -0400
In a similar manner to the following commit:
oprofile/mips: override register writes for qemu mips 64
Even when oprofile timer mode is enabled, during oprofile arch init
there are writes to registers that do not exist in the qemu malta
64 bit pseudo machine.
To allow initialization to continue and the fallback to oprofile
timer mode to take effect, we stub the register writes.
These two defines are only appropriate for qemu-system-mips.
This should not merge to a common location, and only be applied
to emulated boards.
We also cannot set perf_irq to mipsxx_perfcount_handler during oprofile
arch init, or unsupported register reads will be triggered before the
fallback to timer mode occurs. This commit is also only appropriate for
qemu mips based boards, and should not be applied to any general branch.
Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Signed-off-by: Bruce Ashfield <bruce.ashfield@windriver.com>
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Bruce Ashfield
Yann CARDAILLAC
Bruce Ashfield
Tom Zanussi
Jackie Huang