From: Lee Jones <lee.jones@linaro.org> To: lee.jones@linaro.org, linux@armlinux.org.uk, catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, sstabellini@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, wsa+renesas@sang-engineering.com, linux@roeck-us.net, treding@nvidia.com, arnd@arndb.de, xen-devel@lists.xenproject.org, patches@armlinux.org.uk, Stefano Stabellini <stefano.stabellini@eu.citrix.com> Subject: [PATCH 1/5] ARM: xen: Register with kernel restart handler Date: Fri, 4 Jun 2021 15:03:53 +0100 [thread overview] Message-ID: <20210604140357.2602028-2-lee.jones@linaro.org> (raw) In-Reply-To: <20210604140357.2602028-1-lee.jones@linaro.org> From: Guenter Roeck <linux@roeck-us.net> Register with kernel restart handler instead of setting arm_pm_restart directly. Select a high priority of 192 to ensure that default restart handlers are replaced if Xen is running. Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- arch/arm/xen/enlighten.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 8ad576ecd0f1d..7f1c106b746f8 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -29,6 +29,7 @@ #include <linux/cpu.h> #include <linux/console.h> #include <linux/pvclock_gtod.h> +#include <linux/reboot.h> #include <linux/time64.h> #include <linux/timekeeping.h> #include <linux/timekeeper_internal.h> @@ -181,11 +182,18 @@ void xen_reboot(int reason) BUG_ON(rc); } -static void xen_restart(enum reboot_mode reboot_mode, const char *cmd) +static int xen_restart(struct notifier_block *nb, unsigned long action, + void *data) { xen_reboot(SHUTDOWN_reboot); + + return NOTIFY_DONE; } +static struct notifier_block xen_restart_nb = { + .notifier_call = xen_restart, + .priority = 192, +}; static void xen_power_off(void) { @@ -404,7 +412,7 @@ static int __init xen_pm_init(void) return -ENODEV; pm_power_off = xen_power_off; - arm_pm_restart = xen_restart; + register_restart_handler(&xen_restart_nb); if (!xen_initial_domain()) { struct timespec64 ts; xen_read_wallclock(&ts); -- 2.31.1
WARNING: multiple messages have this Message-ID (diff)
From: Lee Jones <lee.jones@linaro.org> To: lee.jones@linaro.org, linux@armlinux.org.uk, catalin.marinas@arm.com, will@kernel.org, mark.rutland@arm.com, lorenzo.pieralisi@arm.com, sstabellini@kernel.org Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, wsa+renesas@sang-engineering.com, linux@roeck-us.net, treding@nvidia.com, arnd@arndb.de, xen-devel@lists.xenproject.org, patches@armlinux.org.uk, Stefano Stabellini <stefano.stabellini@eu.citrix.com> Subject: [PATCH 1/5] ARM: xen: Register with kernel restart handler Date: Fri, 4 Jun 2021 15:03:53 +0100 [thread overview] Message-ID: <20210604140357.2602028-2-lee.jones@linaro.org> (raw) In-Reply-To: <20210604140357.2602028-1-lee.jones@linaro.org> From: Guenter Roeck <linux@roeck-us.net> Register with kernel restart handler instead of setting arm_pm_restart directly. Select a high priority of 192 to ensure that default restart handlers are replaced if Xen is running. Acked-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Lee Jones <lee.jones@linaro.org> --- arch/arm/xen/enlighten.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c index 8ad576ecd0f1d..7f1c106b746f8 100644 --- a/arch/arm/xen/enlighten.c +++ b/arch/arm/xen/enlighten.c @@ -29,6 +29,7 @@ #include <linux/cpu.h> #include <linux/console.h> #include <linux/pvclock_gtod.h> +#include <linux/reboot.h> #include <linux/time64.h> #include <linux/timekeeping.h> #include <linux/timekeeper_internal.h> @@ -181,11 +182,18 @@ void xen_reboot(int reason) BUG_ON(rc); } -static void xen_restart(enum reboot_mode reboot_mode, const char *cmd) +static int xen_restart(struct notifier_block *nb, unsigned long action, + void *data) { xen_reboot(SHUTDOWN_reboot); + + return NOTIFY_DONE; } +static struct notifier_block xen_restart_nb = { + .notifier_call = xen_restart, + .priority = 192, +}; static void xen_power_off(void) { @@ -404,7 +412,7 @@ static int __init xen_pm_init(void) return -ENODEV; pm_power_off = xen_power_off; - arm_pm_restart = xen_restart; + register_restart_handler(&xen_restart_nb); if (!xen_initial_domain()) { struct timespec64 ts; xen_read_wallclock(&ts); -- 2.31.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-06-04 14:05 UTC|newest] Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-06-04 14:03 [RESEND 0/5] ARM/arm64: arm_pm_restart removal Lee Jones 2021-06-04 14:03 ` Lee Jones 2021-06-04 14:03 ` Lee Jones [this message] 2021-06-04 14:03 ` [PATCH 1/5] ARM: xen: Register with kernel restart handler Lee Jones 2021-06-04 14:03 ` [PATCH 2/5] drivers: firmware: psci: " Lee Jones 2021-06-04 14:03 ` Lee Jones 2021-06-04 14:03 ` [PATCH 3/5] ARM: " Lee Jones 2021-06-04 14:03 ` Lee Jones 2021-06-04 14:03 ` [PATCH 4/5] ARM64: Remove arm_pm_restart() Lee Jones 2021-06-04 14:03 ` Lee Jones 2021-06-04 14:03 ` [PATCH 5/5] ARM: " Lee Jones 2021-06-04 14:03 ` Lee Jones 2021-10-25 23:29 ` [RESEND 0/5] ARM/arm64: arm_pm_restart removal Florian Fainelli 2021-10-25 23:29 ` Florian Fainelli 2021-10-25 23:55 ` Dmitry Osipenko 2021-10-25 23:55 ` Dmitry Osipenko 2021-10-26 1:02 ` Guenter Roeck 2021-10-26 1:02 ` Guenter Roeck 2021-10-26 1:55 ` Florian Fainelli 2021-10-26 1:55 ` Florian Fainelli
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