diff options
Diffstat (limited to 'debian/patches-rt/0146-PCI-hv-Use-tasklet_disable_in_atomic.patch')
-rw-r--r-- | debian/patches-rt/0146-PCI-hv-Use-tasklet_disable_in_atomic.patch | 46 |
1 files changed, 0 insertions, 46 deletions
diff --git a/debian/patches-rt/0146-PCI-hv-Use-tasklet_disable_in_atomic.patch b/debian/patches-rt/0146-PCI-hv-Use-tasklet_disable_in_atomic.patch deleted file mode 100644 index 0983ffaad..000000000 --- a/debian/patches-rt/0146-PCI-hv-Use-tasklet_disable_in_atomic.patch +++ /dev/null @@ -1,46 +0,0 @@ -From 598e2b04d74c9033bd19ec0975658cc53e8edccc Mon Sep 17 00:00:00 2001 -From: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Date: Tue, 9 Mar 2021 09:42:15 +0100 -Subject: [PATCH 146/296] PCI: hv: Use tasklet_disable_in_atomic() -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/5.10/older/patches-5.10.35-rt39.tar.xz - -The hv_compose_msi_msg() callback in irq_chip::irq_compose_msi_msg is -invoked via irq_chip_compose_msi_msg(), which itself is always invoked from -atomic contexts from the guts of the interrupt core code. - -There is no way to change this w/o rewriting the whole driver, so use -tasklet_disable_in_atomic() which allows to make tasklet_disable() -sleepable once the remaining atomic users are addressed. - -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> -Signed-off-by: Thomas Gleixner <tglx@linutronix.de> -Cc: "K. Y. Srinivasan" <kys@microsoft.com> -Cc: Haiyang Zhang <haiyangz@microsoft.com> -Cc: Stephen Hemminger <sthemmin@microsoft.com> -Cc: Wei Liu <wei.liu@kernel.org> -Cc: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> -Cc: Rob Herring <robh@kernel.org> -Cc: Bjorn Helgaas <bhelgaas@google.com> -Cc: linux-hyperv@vger.kernel.org -Cc: linux-pci@vger.kernel.org -Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> ---- - drivers/pci/controller/pci-hyperv.c | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/drivers/pci/controller/pci-hyperv.c b/drivers/pci/controller/pci-hyperv.c -index 03ed5cb1c4b2..7370cdc1abdb 100644 ---- a/drivers/pci/controller/pci-hyperv.c -+++ b/drivers/pci/controller/pci-hyperv.c -@@ -1458,7 +1458,7 @@ static void hv_compose_msi_msg(struct irq_data *data, struct msi_msg *msg) - * Prevents hv_pci_onchannelcallback() from running concurrently - * in the tasklet. - */ -- tasklet_disable(&channel->callback_event); -+ tasklet_disable_in_atomic(&channel->callback_event); - - /* - * Since this function is called with IRQ locks held, can't --- -2.30.2 - |