Merge tag 'v4.14.159' into 4.14-2.0.x-imx

This is the 4.14.159 stable release

Conflicts:
	arch/arm/Kconfig.debug
	arch/arm/boot/dts/imx7s.dtsi
	arch/arm/mach-imx/cpuidle-imx6sx.c
	drivers/crypto/caam/caamalg.c
	drivers/crypto/mxs-dcp.c
	drivers/dma/imx-sdma.c
	drivers/input/keyboard/imx_keypad.c
	drivers/net/can/flexcan.c
	drivers/net/can/rx-offload.c
	drivers/net/wireless/ath/ath10k/pci.c
	drivers/pci/dwc/pci-imx6.c
	drivers/spi/spi-fsl-lpspi.c
	drivers/usb/dwc3/gadget.c

1 files changed, 15 insertions, 17 deletions

diff --git a/drivers/acpi/apei/ghes.c b/drivers/acpi/apei/ghes.c
index 5889f6407fea..cd6fae6ad4c2 100644
--- a/drivers/acpi/apei/ghes.c
+++ b/drivers/acpi/apei/ghes.c
@@ -33,7 +33,6 @@
 #include <linux/interrupt.h>
 #include <linux/timer.h>
 #include <linux/cper.h>
-#include <linux/kdebug.h>
 #include <linux/platform_device.h>
 #include <linux/mutex.h>
 #include <linux/ratelimit.h>
@@ -171,40 +170,40 @@ static int ghes_estatus_pool_init(void)
 	return 0;
 }
 
-static void ghes_estatus_pool_free_chunk_page(struct gen_pool *pool,
+static void ghes_estatus_pool_free_chunk(struct gen_pool *pool,
 					      struct gen_pool_chunk *chunk,
 					      void *data)
 {
-	free_page(chunk->start_addr);
+	vfree((void *)chunk->start_addr);
 }
 
 static void ghes_estatus_pool_exit(void)
 {
 	gen_pool_for_each_chunk(ghes_estatus_pool,
-				ghes_estatus_pool_free_chunk_page, NULL);
+				ghes_estatus_pool_free_chunk, NULL);
 	gen_pool_destroy(ghes_estatus_pool);
 }
 
 static int ghes_estatus_pool_expand(unsigned long len)
 {
-	unsigned long i, pages, size, addr;
-	int ret;
+	unsigned long size, addr;
 
 	ghes_estatus_pool_size_request += PAGE_ALIGN(len);
 	size = gen_pool_size(ghes_estatus_pool);
 	if (size >= ghes_estatus_pool_size_request)
 		return 0;
-	pages = (ghes_estatus_pool_size_request - size) / PAGE_SIZE;
-	for (i = 0; i < pages; i++) {
-		addr = __get_free_page(GFP_KERNEL);
-		if (!addr)
-			return -ENOMEM;
-		ret = gen_pool_add(ghes_estatus_pool, addr, PAGE_SIZE, -1);
-		if (ret)
-			return ret;
-	}
 
-	return 0;
+	addr = (unsigned long)vmalloc(PAGE_ALIGN(len));
+	if (!addr)
+		return -ENOMEM;
+
+	/*
+	 * New allocation must be visible in all pgd before it can be found by
+	 * an NMI allocating from the pool.
+	 */
+	vmalloc_sync_all();
+
+	return gen_pool_add(ghes_estatus_pool, addr, PAGE_ALIGN(len), -1);
 }
 
 static int map_gen_v2(struct ghes *ghes)
@@ -936,7 +935,6 @@ static int ghes_notify_nmi(unsigned int cmd, struct pt_regs *regs)
 
 		sev = ghes_severity(ghes->estatus->error_severity);
 		if (sev >= GHES_SEV_PANIC) {
-			oops_begin();
 			ghes_print_queued_estatus();
 			__ghes_panic(ghes);
 		}