Messages in this thread | | | Date | Fri, 12 Jan 2018 11:09:23 -0800 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH v3] rcutorture: Add basic ARM64 support to run scripts |
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On Sat, Jan 13, 2018 at 02:32:20AM +0800, Lihao Liang wrote: > > > On 2018/1/13 1:52, Paul E. McKenney wrote: > > On Fri, Jan 12, 2018 at 06:11:32PM +0800, lianglihao@huawei.com wrote: > >> From: Lihao Liang <lianglihao@huawei.com> > >> > >> This commit adds support of the qemu command qemu-system-aarch64 > >> to rcutorture. > >> > >> Signed-off-by: Lihao Liang <lianglihao@huawei.com> > > > > This is to replace your previous patch, not to apply on top of it, > > correct? (Either way is fine, just please let me know.) > > Please replace the previous one.
It has been replaced, thank you!
Thanx, Paul
> Thanks, > Lihao. > > > Thanx, Paul > > > >> --- > >> > >> Comparing to the previous version, this patch lifts the limitation of > >> maximum 8 CPUs of option "-M virt" by adding "gic-version=host" to it. > >> This allows qemu to use the maximum CPU number supported by the actual > >> hardware. > >> > >> This commit is against RCU's git branch rcu/dev > >> > >> commit 505b61b2ec1d ("EXP: rcu: Add debugging info to other assertion") > >> > >> > >> tools/testing/selftests/rcutorture/bin/functions.sh | 17 +++++++++++++++-- > >> 1 file changed, 15 insertions(+), 2 deletions(-) > >> > >> diff --git a/tools/testing/selftests/rcutorture/bin/functions.sh b/tools/testing/selftests/rcutorture/bin/functions.sh > >> index 07a1377..65f6655 100644 > >> --- a/tools/testing/selftests/rcutorture/bin/functions.sh > >> +++ b/tools/testing/selftests/rcutorture/bin/functions.sh > >> @@ -136,6 +136,9 @@ identify_boot_image () { > >> qemu-system-x86_64|qemu-system-i386) > >> echo arch/x86/boot/bzImage > >> ;; > >> + qemu-system-aarch64) > >> + echo arch/arm64/boot/Image > >> + ;; > >> *) > >> echo vmlinux > >> ;; > >> @@ -158,6 +161,9 @@ identify_qemu () { > >> elif echo $u | grep -q "Intel 80386" > >> then > >> echo qemu-system-i386 > >> + elif echo $u | grep -q aarch64 > >> + then > >> + echo qemu-system-aarch64 > >> elif uname -a | grep -q ppc64 > >> then > >> echo qemu-system-ppc64 > >> @@ -176,16 +182,20 @@ identify_qemu () { > >> # Output arguments for the qemu "-append" string based on CPU type > >> # and the TORTURE_QEMU_INTERACTIVE environment variable. > >> identify_qemu_append () { > >> + local console=ttyS0 > >> case "$1" in > >> qemu-system-x86_64|qemu-system-i386) > >> echo noapic selinux=0 initcall_debug debug > >> ;; > >> + qemu-system-aarch64) > >> + console=ttyAMA0 > >> + ;; > >> esac > >> if test -n "$TORTURE_QEMU_INTERACTIVE" > >> then > >> echo root=/dev/sda > >> else > >> - echo console=ttyS0 > >> + echo console=$console > >> fi > >> } > >> > >> @@ -197,6 +207,9 @@ identify_qemu_args () { > >> case "$1" in > >> qemu-system-x86_64|qemu-system-i386) > >> ;; > >> + qemu-system-aarch64) > >> + echo -machine virt,gic-version=host -cpu host > >> + ;; > >> qemu-system-ppc64) > >> echo -enable-kvm -M pseries -nodefaults > >> echo -device spapr-vscsi > >> @@ -254,7 +267,7 @@ specify_qemu_cpus () { > >> echo $2 > >> else > >> case "$1" in > >> - qemu-system-x86_64|qemu-system-i386) > >> + qemu-system-x86_64|qemu-system-i386|qemu-system-aarch64) > >> echo $2 -smp $3 > >> ;; > >> qemu-system-ppc64) > >> -- > >> 2.7.4 > >> > > > > > > . > > >
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