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WSL2-Linux-Kernel
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WSL2-Linux-Kernel/arch/mips/Kbuild

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MIPS: Add -Werror to arch/mips/Kbuild Adding subdirs-ccflags-y := -Werror to arch/mips/Kbuild let us in one go cover all files with -Werror. In addition this allows us to remove the individual -Werror definition in various Makefile. Adding the definition to Kbuild as a recursive option help us not to forget to do so. With this change we now compile arch/mips/kernel/cpufreq with -Werror One drawback: When specifying a subdirectory covered by the Kbuild file like this: make arch/mips/kernel/ then kbuild fails to pick up the -Werror definition. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> To: linux-mips <linux-mips@linux-mips.org> To: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1301/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-05-30 18:26:40 +04:00
# Fail on warnings - also for files referenced in subdirs
# -Werror can be disabled for specific files using:
# CFLAGS_<file.o> := -Wno-error
subdir-ccflags-y := -Werror
MIPS: Introduce support for Platform definitions Move platform specific definitions to the platfrom directories. Each platform shall do the following: 1) include an entry in arch/mips/Kbuild.platforms 2) add relevant definitions to arch/mips/<platform>/Platform This commits changes ar7 to the new scheme as an example. Introducing a platform speecific Platfrom file has following advantages: 1) decentralization of platfrom definitions 2) simplification af arch/mips/Makefile 3) force all platfrom to build with -Werror (done in arch/mips/Kbuild) [Ralf: Remove forgotten -Werror from AR7 Makefile] Signed-off-by: Sam Ravnborg <sam@ravnborg.org> To: linux-mips <linux-mips@linux-mips.org> To: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1302/ Patchwork: http://patchwork.linux-mips.org/patch/1308/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-05-30 18:27:10 +04:00
# platform specific definitions
include arch/mips/Kbuild.platforms
obj-y := $(platform-y)
MIPS: Add -Werror to arch/mips/Kbuild Adding subdirs-ccflags-y := -Werror to arch/mips/Kbuild let us in one go cover all files with -Werror. In addition this allows us to remove the individual -Werror definition in various Makefile. Adding the definition to Kbuild as a recursive option help us not to forget to do so. With this change we now compile arch/mips/kernel/cpufreq with -Werror One drawback: When specifying a subdirectory covered by the Kbuild file like this: make arch/mips/kernel/ then kbuild fails to pick up the -Werror definition. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> To: linux-mips <linux-mips@linux-mips.org> To: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1301/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-05-30 18:26:40 +04:00
MIPS: Repair Kbuild make clean breakage. When running make clean, Kbuild doesn't process the .config file, so nothing generates a platform-y variable. We can get it to descend into the platform directories by setting $(obj-). The dec Platform file was unconditionally setting platform-, obliterating its previous contents and preventing some directories from being cleaned. This is change to an append operation '+=' to allow cavium-octeon to be cleaned. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Cc: Sam Ravnborg <sam@ravnborg.org> Patchwork: https://patchwork.linux-mips.org/patch/1718/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-10-19 04:51:26 +04:00
# make clean traverses $(obj-) without having included .config, so
# everything ends up here
obj- := $(platform-)
MIPS: Introduce arch/mips/Kbuild Signed-off-by: Sam Ravnborg <sam@ravnborg.org> To: linux-mips <linux-mips@linux-mips.org> To: Wu Zhangjin <wuzhangjin@gmail.com> Patchwork: https://patchwork.linux-mips.org/patch/1300/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-05-30 15:27:22 +04:00
# mips object files
# The object files are linked as core-y files would be linked
obj-y += kernel/
obj-y += mm/
MIPS: net: Add BPF JIT This adds initial support for BPF-JIT on MIPS Tested on mips32 LE/BE and mips64 BE/n64 using dhcp, ping and various tcpdump filters. Benchmarking: Assuming the remote MIPS target uses 192.168.154.181 as its IP address, and the local host uses 192.168.154.136, the following results can be obtained using the following tcpdump filter (catches no frames) and a simple 'time ping -f -c 1000000' command. [root@(none) ~]# tcpdump -p -n -s 0 -i eth0 net 10.0.0.0/24 -d (000) ldh [12] (001) jeq #0x800 jt 2 jf 8 (002) ld [26] (003) and #0xffffff00 (004) jeq #0xa000000 jt 16 jf 5 (005) ld [30] (006) and #0xffffff00 (007) jeq #0xa000000 jt 16 jf 17 (008) jeq #0x806 jt 10 jf 9 (009) jeq #0x8035 jt 10 jf 17 (010) ld [28] (011) and #0xffffff00 (012) jeq #0xa000000 jt 16 jf 13 (013) ld [38] (014) and #0xffffff00 (015) jeq #0xa000000 jt 16 jf 17 (016) ret #65535 - BPF-JIT Disabled real 1m38.005s user 0m1.510s sys 0m6.710s - BPF-JIT Enabled real 1m35.215s user 0m1.200s sys 0m4.140s [ralf@linux-mips.org: Resolved conflict.] Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
2014-04-08 15:47:14 +04:00
obj-y += net/
KVM/MIPS32: Infrastructure/build files. - Add the KVM option to MIPS build files. - Add default config files for KVM host/guest kernels. - Change the link address for the Malta KVM Guest kernel to UM (0x40100000). - Add KVM Kconfig file with KVM/MIPS specific options Signed-off-by: Sanjay Lal <sanjayl@kymasys.com> Cc: kvm@vger.kernel.org Cc: linux-mips@linux-mips.org Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2012-11-22 06:33:59 +04:00
ifdef CONFIG_KVM
obj-y += kvm/
endif