arc: Replace lkml.org links with lore

As started by commit 05a5f51 ("Documentation: Replace lkml.org
links with lore"), replace lkml.org links with lore to better use a
single source that's more likely to stay available long-term.

Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Vineet Gupta <vineetg@rivosinc.com>

Author: kees

arch/arc/include/asm/irqflags-compact.h

@@ -50,8 +50,12 @@
  * are redone after IRQs are re-enabled (and gcc doesn't reuse stale register)
  *
  * Noted at the time of Abilis Timer List corruption
- *	Orig Bug + Rejected solution	: https://lkml.org/lkml/2013/3/29/67
- *	Reasoning			: https://lkml.org/lkml/2013/4/8/15
+ *
+ * Orig Bug + Rejected solution:
+ * https://lore.kernel.org/lkml/1364553218-31255-1-git-send-email-vgupta@synopsys.com
+ *
+ * Reasoning:
+ * https://lore.kernel.org/lkml/CA+55aFyFWjpSVQM6M266tKrG_ZXJzZ-nYejpmXYQXbrr42mGPQ@mail.gmail.com
  *
  ******************************************************************/
 

arch/arc/mm/dma.c

@@ -32,7 +32,7 @@ void arch_dma_prep_coherent(struct page *page, size_t size)
 
 /*
  * Cache operations depending on function and direction argument, inspired by
- * https://lkml.org/lkml/2018/5/18/979
+ * https://lore.kernel.org/lkml/20180518175004.GF17671@n2100.armlinux.org.uk
  * "dma_sync_*_for_cpu and direction=TO_DEVICE (was Re: [PATCH 02/20]
  * dma-mapping: provide a generic dma-noncoherent implementation)"
  *

arch/arc/plat-axs10x/axs10x.c

@@ -50,7 +50,7 @@ static void __init axs10x_enable_gpio_intc_wire(void)
 	 * Current implementation of "irq-dw-apb-ictl" driver doesn't work well
 	 * with stacked INTCs. In particular problem happens if its master INTC
 	 * not yet instantiated. See discussion here -
-	 * https://lkml.org/lkml/2015/3/4/755
+	 * https://lore.kernel.org/lkml/54F6FE2C.7020309@synopsys.com
 	 *
 	 * So setup the first gpio block as a passive pass thru and hide it from
 	 * DT hardware topology - connect MB intc directly to cpu intc

arch/arc/plat-hsdk/platform.c

@@ -52,7 +52,7 @@ static void __init hsdk_enable_gpio_intc_wire(void)
 	 * Current implementation of "irq-dw-apb-ictl" driver doesn't work well
 	 * with stacked INTCs. In particular problem happens if its master INTC
 	 * not yet instantiated. See discussion here -
-	 * https://lkml.org/lkml/2015/3/4/755
+	 * https://lore.kernel.org/lkml/54F6FE2C.7020309@synopsys.com
 	 *
 	 * So setup the first gpio block as a passive pass thru and hide it from
 	 * DT hardware topology - connect intc directly to cpu intc