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authorMark Brown <broonie@kernel.org>2022-09-13 17:43:23 +0100
committerMark Brown <broonie@kernel.org>2022-09-13 17:43:23 +0100
commitca9b8f0486b577ab179664d4a279090645e9244f (patch)
treef1e926d374b793470c1ce5a2e9628ab54835e007 /fs/exec.c
parent69a673c9e54d952cf404f80169d3100b7a9645bb (diff)
parent1cc5a52e873a4f9725eafe5aa9cd213b7b58e29e (diff)
MediaTek Helio X10 MT6795 - MT6331/6332 Regulators
Merge series from AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>: In an effort to give some love to the apparently forgotten MT6795 SoC, I am upstreaming more components that are necessary to support platforms powered by this one apart from a simple boot to serial console. This series adds support for the regulators found in MT6331 and MT6332 main/companion PMICs. Adding support to each driver in each subsystem is done in different patch series as to avoid spamming uninteresting patches to maintainers. Tested on a MT6795 Sony Xperia M5 (codename "Holly") smartphone.
Diffstat (limited to 'fs/exec.c')
-rw-r--r--fs/exec.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/fs/exec.c b/fs/exec.c
index f793221f4eb6..9a5ca7b82bfc 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -584,11 +584,11 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
if (kmapped_page) {
flush_dcache_page(kmapped_page);
- kunmap(kmapped_page);
+ kunmap_local(kaddr);
put_arg_page(kmapped_page);
}
kmapped_page = page;
- kaddr = kmap(kmapped_page);
+ kaddr = kmap_local_page(kmapped_page);
kpos = pos & PAGE_MASK;
flush_arg_page(bprm, kpos, kmapped_page);
}
@@ -602,7 +602,7 @@ static int copy_strings(int argc, struct user_arg_ptr argv,
out:
if (kmapped_page) {
flush_dcache_page(kmapped_page);
- kunmap(kmapped_page);
+ kunmap_local(kaddr);
put_arg_page(kmapped_page);
}
return ret;
@@ -880,11 +880,11 @@ int transfer_args_to_stack(struct linux_binprm *bprm,
for (index = MAX_ARG_PAGES - 1; index >= stop; index--) {
unsigned int offset = index == stop ? bprm->p & ~PAGE_MASK : 0;
- char *src = kmap(bprm->page[index]) + offset;
+ char *src = kmap_local_page(bprm->page[index]) + offset;
sp -= PAGE_SIZE - offset;
if (copy_to_user((void *) sp, src, PAGE_SIZE - offset) != 0)
ret = -EFAULT;
- kunmap(bprm->page[index]);
+ kunmap_local(src);
if (ret)
goto out;
}
@@ -1686,13 +1686,13 @@ int remove_arg_zero(struct linux_binprm *bprm)
ret = -EFAULT;
goto out;
}
- kaddr = kmap_atomic(page);
+ kaddr = kmap_local_page(page);
for (; offset < PAGE_SIZE && kaddr[offset];
offset++, bprm->p++)
;
- kunmap_atomic(kaddr);
+ kunmap_local(kaddr);
put_arg_page(page);
} while (offset == PAGE_SIZE);