linux kernel 5.10.214: add patches, modify nix required shebangs.patc…

…h from linuxboot#1661 (less and less required but still some). Cannot remove 5.10.5 because kgpe-d16 uses it.

Signed-off-by: Thierry Laurion <[email protected]>

patches/linux-5.10.214/0001-fake-acpi.patch

@@ -0,0 +1,32 @@
+diff --recursive -u ./clean/linux-4.9.80/drivers/acpi/acpica/evxfevnt.c linux-4.9.80/drivers/acpi/acpica/evxfevnt.c
+--- ./clean/linux-4.9.80/drivers/acpi/acpica/evxfevnt.c	2018-02-03 11:05:43.000000000 -0500
++++ linux-4.9.80/drivers/acpi/acpica/evxfevnt.c	2018-02-07 15:51:28.786502597 -0500
+@@ -111,6 +111,8 @@
+ 	}
+
+ 	ACPI_ERROR((AE_INFO, "Hardware did not enter ACPI mode"));
++printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
++	return_ACPI_STATUS(AE_OK);
+ 	return_ACPI_STATUS(AE_NO_HARDWARE_RESPONSE);
+ }
+
+diff --recursive -u ./clean/linux-4.9.80/drivers/acpi/acpica/hwacpi.c linux-4.9.80/drivers/acpi/acpica/hwacpi.c
+--- ./clean/linux-4.9.80/drivers/acpi/acpica/hwacpi.c	2018-02-03 11:05:43.000000000 -0500
++++ linux-4.9.80/drivers/acpi/acpica/hwacpi.c	2018-02-07 15:51:35.126557868 -0500
+@@ -168,12 +168,16 @@
+
+ 	status = acpi_read_bit_register(ACPI_BITREG_SCI_ENABLE, &value);
+ 	if (ACPI_FAILURE(status)) {
++printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
++		return_UINT32(ACPI_SYS_MODE_ACPI);
+ 		return_UINT32(ACPI_SYS_MODE_LEGACY);
+ 	}
+
+ 	if (value) {
+ 		return_UINT32(ACPI_SYS_MODE_ACPI);
+ 	} else {
++//printk("%s:%d faking ACPI mode\n", __func__, __LINE__);
++//		return_UINT32(ACPI_SYS_MODE_ACPI);
+ 		return_UINT32(ACPI_SYS_MODE_LEGACY);
+ 	}
+ }

patches/linux-5.10.214/0002-nmi-squelch.patch

@@ -0,0 +1,20 @@
+diff --recursive -u ./clean/linux-4.9.80/arch/x86/kernel/nmi.c linux-4.9.80/arch/x86/kernel/nmi.c
+--- ./clean/linux-4.9.80/arch/x86/kernel/nmi.c	2018-02-03 11:05:43.000000000 -0500
++++ linux-4.9.80/arch/x86/kernel/nmi.c	2018-02-07 18:56:10.475613884 -0500
+@@ -303,6 +303,8 @@
+
+ 	__this_cpu_add(nmi_stats.unknown, 1);
+
++#if 0
++// qemu generates these for some reason
+ 	pr_emerg("Uhhuh. NMI received for unknown reason %02x on CPU %d.\n",
+ 		 reason, smp_processor_id());
+
+@@ -311,6 +313,7 @@
+ 		nmi_panic(regs, "NMI: Not continuing");
+
+ 	pr_emerg("Dazed and confused, but trying to continue\n");
++#endif
+ }
+ NOKPROBE_SYMBOL(unknown_nmi_error);
+

patches/linux-5.10.214/0003-fake-trampoline.patch

@@ -0,0 +1,28 @@
+diff --recursive -u ./clean/linux-4.9.80/arch/x86/realmode/init.c linux-4.9.80/arch/x86/realmode/init.c
+--- ./clean/linux-4.9.80/arch/x86/realmode/init.c	2018-02-03 11:05:43.000000000 -0500
++++ linux-4.9.80/arch/x86/realmode/init.c	2018-02-07 15:51:28.538500435 -0500
+@@ -35,8 +35,8 @@
+ 	/* Has to be under 1M so we can execute real-mode AP code. */
+ 	mem = memblock_find_in_range(0, 1<<20, size, PAGE_SIZE);
+ 	if (!mem) {
+-		pr_info("No sub-1M memory is available for the trampoline\n");
+-		return;
++		mem = 0x4000;
++		pr_info("No sub-1M memory is available for the trampoline, guessing %p\n", mem);
+ 	}
+
+ 	memblock_reserve(mem, size);
+@@ -138,7 +138,12 @@
+ static int __init init_real_mode(void)
+ {
+ 	if (!real_mode_header)
+-		panic("Real mode trampoline was not allocated");
++	{
++		// ignore for now
++		//panic("Real mode trampoline was not allocated");
++		pr_warn("Real mode trampoline was not allocated");
++		return 0;
++	}
+
+ 	setup_real_mode();
+ 	set_real_mode_permissions();

patches/linux-5.10.214/0010-winterfell-ahci.patch

@@ -0,0 +1,18 @@
+diff --recursive -u ./clean/linux-4.9.80/drivers/ata/libahci.c linux-4.9.80/drivers/ata/libahci.c
+--- ./clean/linux-4.9.80/drivers/ata/libahci.c	2018-02-03 11:05:43.000000000 -0500
++++ linux-4.9.80/drivers/ata/libahci.c	2018-02-07 18:02:32.526535910 -0500
+@@ -537,8 +537,12 @@
+ 	}
+
+ 	/* fabricate port_map from cap.nr_ports for < AHCI 1.3 */
+-	if (!port_map && vers < 0x10300) {
+-		port_map = (1 << ahci_nr_ports(cap)) - 1;
++	if (!port_map) { //  && vers < 0x10300) {
++		printk("%s: saved_port=%02x\n", __func__, hpriv->saved_port_map);
++		writel(0x1, mmio + HOST_PORTS_IMPL);
++		port_map = readl(mmio + HOST_PORTS_IMPL);
++
++		//port_map = (1 << ahci_nr_ports(cap)) - 1;
+ 		dev_warn(dev, "forcing PORTS_IMPL to 0x%x\n", port_map);
+
+ 		/* write the fixed up value to the PI register */

patches/linux-5.10.214/shebangs.patch

@@ -0,0 +1,40 @@
+diff --git a/scripts/check-sysctl-docs b/scripts/check-sysctl-docs
+index 8bcb9e26c7bc..90137319c50a 100755
+--- a/scripts/check-sysctl-docs
++++ b/scripts/check-sysctl-docs
+@@ -1,4 +1,4 @@
+-#!/usr/bin/gawk -f
++#!/usr/bin/env -S gawk -f
+ # SPDX-License-Identifier: GPL-2.0
+
+ # Script to check sysctl documentation against source files
+diff --git a/scripts/ld-version.sh b/scripts/ld-version.sh
+index f2be0ff9a738..7a5b546ece16 100755
+--- a/scripts/ld-version.sh
++++ b/scripts/ld-version.sh
+@@ -1,4 +1,4 @@
+-#!/usr/bin/awk -f
++#!/usr/bin/env -S awk -f
+ # SPDX-License-Identifier: GPL-2.0
+ # extract linker version number from stdin and turn into single number
+ 	{
+diff --git a/scripts/parse-maintainers.pl b/scripts/parse-maintainers.pl
+index 2ca4eb3f190d..9515765158fa 100755
+--- a/scripts/parse-maintainers.pl
++++ b/scripts/parse-maintainers.pl
+@@ -1,4 +1,4 @@
+-#!/usr/bin/perl -w
++#!/usr/bin/env -S perl -w
+ # SPDX-License-Identifier: GPL-2.0
+
+ use strict;
+diff --git a/scripts/ver_linux b/scripts/ver_linux
+index 0968a3070eff..345b92f71d2d 100755
+--- a/scripts/ver_linux
++++ b/scripts/ver_linux
+@@ -1,4 +1,4 @@
+-#!/usr/bin/awk -f
++#!/usr/bin/env -S awk -f
+ # SPDX-License-Identifier: GPL-2.0
+ # Before running this script please ensure that your PATH is
+ # typical as you use for compilation/installation. I use