From 27d3313807296c3943a96ceef8c2b7279cb56962 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 18 May 2024 19:39:59 +0200 Subject: Adding debian version 6.7.7-1. Signed-off-by: Daniel Baumann --- .../0065-serial-sunhv-Use-port-lock-wrappers.patch | 149 --------------------- 1 file changed, 149 deletions(-) delete mode 100644 debian/patches-rt/0065-serial-sunhv-Use-port-lock-wrappers.patch (limited to 'debian/patches-rt/0065-serial-sunhv-Use-port-lock-wrappers.patch') diff --git a/debian/patches-rt/0065-serial-sunhv-Use-port-lock-wrappers.patch b/debian/patches-rt/0065-serial-sunhv-Use-port-lock-wrappers.patch deleted file mode 100644 index beacd2be79..0000000000 --- a/debian/patches-rt/0065-serial-sunhv-Use-port-lock-wrappers.patch +++ /dev/null @@ -1,149 +0,0 @@ -From: Thomas Gleixner -Date: Thu, 14 Sep 2023 20:44:22 +0206 -Subject: [PATCH 065/134] serial: sunhv: Use port lock wrappers -Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/6.6/older/patches-6.6.7-rt18.tar.xz - -When a serial port is used for kernel console output, then all -modifications to the UART registers which are done from other contexts, -e.g. getty, termios, are interference points for the kernel console. - -So far this has been ignored and the printk output is based on the -principle of hope. The rework of the console infrastructure which aims to -support threaded and atomic consoles, requires to mark sections which -modify the UART registers as unsafe. This allows the atomic write function -to make informed decisions and eventually to restore operational state. It -also allows to prevent the regular UART code from modifying UART registers -while printk output is in progress. - -All modifications of UART registers are guarded by the UART port lock, -which provides an obvious synchronization point with the console -infrastructure. - -To avoid adding this functionality to all UART drivers, wrap the -spin_[un]lock*() invocations for uart_port::lock into helper functions -which just contain the spin_[un]lock*() invocations for now. In a -subsequent step these helpers will gain the console synchronization -mechanisms. - -Converted with coccinelle. No functional change. - -Signed-off-by: Thomas Gleixner -Signed-off-by: John Ogness -Link: https://lore.kernel.org/r/20230914183831.587273-66-john.ogness@linutronix.de -Signed-off-by: Greg Kroah-Hartman -Signed-off-by: Sebastian Andrzej Siewior ---- - drivers/tty/serial/sunhv.c | 28 ++++++++++++++-------------- - 1 file changed, 14 insertions(+), 14 deletions(-) - ---- a/drivers/tty/serial/sunhv.c -+++ b/drivers/tty/serial/sunhv.c -@@ -217,10 +217,10 @@ static irqreturn_t sunhv_interrupt(int i - struct tty_port *tport; - unsigned long flags; - -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - tport = receive_chars(port); - transmit_chars(port); -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - - if (tport) - tty_flip_buffer_push(tport); -@@ -271,7 +271,7 @@ static void sunhv_send_xchar(struct uart - if (ch == __DISABLED_CHAR) - return; - -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - - while (limit-- > 0) { - long status = sun4v_con_putchar(ch); -@@ -280,7 +280,7 @@ static void sunhv_send_xchar(struct uart - udelay(1); - } - -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - } - - /* port->lock held by caller. */ -@@ -295,7 +295,7 @@ static void sunhv_break_ctl(struct uart_ - unsigned long flags; - int limit = 10000; - -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - - while (limit-- > 0) { - long status = sun4v_con_putchar(CON_BREAK); -@@ -304,7 +304,7 @@ static void sunhv_break_ctl(struct uart_ - udelay(1); - } - -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - } - } - -@@ -328,7 +328,7 @@ static void sunhv_set_termios(struct uar - unsigned int iflag, cflag; - unsigned long flags; - -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - - iflag = termios->c_iflag; - cflag = termios->c_cflag; -@@ -343,7 +343,7 @@ static void sunhv_set_termios(struct uar - uart_update_timeout(port, cflag, - (port->uartclk / (16 * quot))); - -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - } - - static const char *sunhv_type(struct uart_port *port) -@@ -437,9 +437,9 @@ static void sunhv_console_write_paged(st - int locked = 1; - - if (port->sysrq || oops_in_progress) -- locked = spin_trylock_irqsave(&port->lock, flags); -+ locked = uart_port_trylock_irqsave(port, &flags); - else -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - - while (n > 0) { - unsigned long ra = __pa(con_write_page); -@@ -470,7 +470,7 @@ static void sunhv_console_write_paged(st - } - - if (locked) -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - } - - static inline void sunhv_console_putchar(struct uart_port *port, char c) -@@ -492,9 +492,9 @@ static void sunhv_console_write_bychar(s - int i, locked = 1; - - if (port->sysrq || oops_in_progress) -- locked = spin_trylock_irqsave(&port->lock, flags); -+ locked = uart_port_trylock_irqsave(port, &flags); - else -- spin_lock_irqsave(&port->lock, flags); -+ uart_port_lock_irqsave(port, &flags); - - for (i = 0; i < n; i++) { - if (*s == '\n') -@@ -503,7 +503,7 @@ static void sunhv_console_write_bychar(s - } - - if (locked) -- spin_unlock_irqrestore(&port->lock, flags); -+ uart_port_unlock_irqrestore(port, flags); - } - - static struct console sunhv_console = { -- cgit v1.2.3