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authorAndrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>2021-09-22 13:19:32 +0000
committerAndrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>2021-09-22 13:19:32 +0000
commit8b231e0e8ea0c43d791f6429089dbf0530c0125b (patch)
treec4f34a09bc0d9b8fabb9b9dbb2082ce8fee9b524 /arch/arm64/kernel
parentaad410850445424f566e57a419527b6e2d3ab42d (diff)
parent07e5f23d3fa6ca98457d1a2177a735fcc65923c2 (diff)
Merge tag 'v5.4.148' into 5.4-2.3.x-imx
This is the 5.4.148 stable release Conflicts: - drivers/dma/imx-sdma.c: Following upstream patches are already applied to NXP tree: 7cfbf391e870 ("dmaengine: imx-sdma: remove duplicated sdma_load_context") 788122c99d85 ("Revert "dmaengine: imx-sdma: refine to load context only once"") - drivers/usb/chipidea/host.c: Merge upstream commit a18cfd715e91 ("usb: chipidea: host: fix port index underflow and UBSAN complains") to NXP version. Signed-off-by: Andrey Zhizhikin <andrey.zhizhikin@leica-geosystems.com>
Diffstat (limited to 'arch/arm64/kernel')
-rw-r--r--arch/arm64/kernel/fpsimd.c2
-rw-r--r--arch/arm64/kernel/head.S11
2 files changed, 7 insertions, 6 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
index 04b982a2799e..e62c9cbf99f4 100644
--- a/arch/arm64/kernel/fpsimd.c
+++ b/arch/arm64/kernel/fpsimd.c
@@ -498,7 +498,7 @@ size_t sve_state_size(struct task_struct const *task)
void sve_alloc(struct task_struct *task)
{
if (task->thread.sve_state) {
- memset(task->thread.sve_state, 0, sve_state_size(current));
+ memset(task->thread.sve_state, 0, sve_state_size(task));
return;
}
diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index a2e0b3754943..2f784d3b4b39 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -194,7 +194,7 @@ ENDPROC(preserve_boot_args)
* to be composed of multiple pages. (This effectively scales the end index).
*
* vstart: virtual address of start of range
- * vend: virtual address of end of range
+ * vend: virtual address of end of range - we map [vstart, vend]
* shift: shift used to transform virtual address into index
* ptrs: number of entries in page table
* istart: index in table corresponding to vstart
@@ -231,17 +231,18 @@ ENDPROC(preserve_boot_args)
*
* tbl: location of page table
* rtbl: address to be used for first level page table entry (typically tbl + PAGE_SIZE)
- * vstart: start address to map
- * vend: end address to map - we map [vstart, vend]
+ * vstart: virtual address of start of range
+ * vend: virtual address of end of range - we map [vstart, vend - 1]
* flags: flags to use to map last level entries
* phys: physical address corresponding to vstart - physical memory is contiguous
* pgds: the number of pgd entries
*
* Temporaries: istart, iend, tmp, count, sv - these need to be different registers
- * Preserves: vstart, vend, flags
- * Corrupts: tbl, rtbl, istart, iend, tmp, count, sv
+ * Preserves: vstart, flags
+ * Corrupts: tbl, rtbl, vend, istart, iend, tmp, count, sv
*/
.macro map_memory, tbl, rtbl, vstart, vend, flags, phys, pgds, istart, iend, tmp, count, sv
+ sub \vend, \vend, #1
add \rtbl, \tbl, #PAGE_SIZE
mov \sv, \rtbl
mov \count, #0