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Merge "Merge b1644a0031 ("drm/rockchip: vop2: Use regcache_sync() to fix suspend/resume") into android14-6.1" into android14-6.1

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This commit is contained in:
Treehugger Robot
2023-05-16 18:34:57 +00:00
parent 26283282a1 dec77ff4b5
commit 25a4fdf787
5 changed files with 64 additions and 40 deletions
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4
drivers/gpu/drm/rockchip/rockchip_drm_vop2.c
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@@ -840,6 +840,8 @@ static void vop2_enable(struct vop2 *vop2)
return;
}
regcache_sync(vop2->map);
if (vop2->data->soc_id == 3566)
vop2_writel(vop2, RK3568_OTP_WIN_EN, 1);
@@ -868,6 +870,8 @@ static void vop2_disable(struct vop2 *vop2)
pm_runtime_put_sync(vop2->dev);
regcache_mark_dirty(vop2->map);
clk_disable_unprepare(vop2->aclk);
clk_disable_unprepare(vop2->hclk);
}

2
drivers/mmc/host/sdhci_am654.c
View File

@@ -351,8 +351,6 @@ static void sdhci_am654_write_b(struct sdhci_host *host, u8 val, int reg)
*/
case MMC_TIMING_SD_HS:
case MMC_TIMING_MMC_HS:
case MMC_TIMING_UHS_SDR12:
case MMC_TIMING_UHS_SDR25:
val &= ~SDHCI_CTRL_HISPD;
}
}

17
fs/fs-writeback.c
View File

@@ -974,6 +974,16 @@ restart:
continue;
}
/*
* If wb_tryget fails, the wb has been shutdown, skip it.
*
* Pin @wb so that it stays on @bdi->wb_list. This allows
* continuing iteration from @wb after dropping and
* regrabbing rcu read lock.
*/
if (!wb_tryget(wb))
continue;
/* alloc failed, execute synchronously using on-stack fallback */
work = &fallback_work;
*work = *base_work;
@@ -982,13 +992,6 @@ restart:
work->done = &fallback_work_done;
wb_queue_work(wb, work);
/*
* Pin @wb so that it stays on @bdi->wb_list. This allows
* continuing iteration from @wb after dropping and
* regrabbing rcu read lock.
*/
wb_get(wb);
last_wb = wb;
rcu_read_unlock();

69
kernel/sys.c
View File

@@ -666,6 +666,7 @@ long __sys_setresuid(uid_t ruid, uid_t euid, uid_t suid)
struct cred *new;
int retval;
kuid_t kruid, keuid, ksuid;
bool ruid_new, euid_new, suid_new;
kruid = make_kuid(ns, ruid);
keuid = make_kuid(ns, euid);
@@ -680,25 +681,29 @@ long __sys_setresuid(uid_t ruid, uid_t euid, uid_t suid)
if ((suid != (uid_t) -1) && !uid_valid(ksuid))
return -EINVAL;
old = current_cred();
/* check for no-op */
if ((ruid == (uid_t) -1 || uid_eq(kruid, old->uid)) &&
(euid == (uid_t) -1 || (uid_eq(keuid, old->euid) &&
uid_eq(keuid, old->fsuid))) &&
(suid == (uid_t) -1 || uid_eq(ksuid, old->suid)))
return 0;
ruid_new = ruid != (uid_t) -1 && !uid_eq(kruid, old->uid) &&
!uid_eq(kruid, old->euid) && !uid_eq(kruid, old->suid);
euid_new = euid != (uid_t) -1 && !uid_eq(keuid, old->uid) &&
!uid_eq(keuid, old->euid) && !uid_eq(keuid, old->suid);
suid_new = suid != (uid_t) -1 && !uid_eq(ksuid, old->uid) &&
!uid_eq(ksuid, old->euid) && !uid_eq(ksuid, old->suid);
if ((ruid_new || euid_new || suid_new) &&
!ns_capable_setid(old->user_ns, CAP_SETUID))
return -EPERM;
new = prepare_creds();
if (!new)
return -ENOMEM;
old = current_cred();
retval = -EPERM;
if (!ns_capable_setid(old->user_ns, CAP_SETUID)) {
if (ruid != (uid_t) -1 && !uid_eq(kruid, old->uid) &&
!uid_eq(kruid, old->euid) && !uid_eq(kruid, old->suid))
goto error;
if (euid != (uid_t) -1 && !uid_eq(keuid, old->uid) &&
!uid_eq(keuid, old->euid) && !uid_eq(keuid, old->suid))
goto error;
if (suid != (uid_t) -1 && !uid_eq(ksuid, old->uid) &&
!uid_eq(ksuid, old->euid) && !uid_eq(ksuid, old->suid))
goto error;
}
if (ruid != (uid_t) -1) {
new->uid = kruid;
if (!uid_eq(kruid, old->uid)) {
@@ -763,6 +768,7 @@ long __sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid)
struct cred *new;
int retval;
kgid_t krgid, kegid, ksgid;
bool rgid_new, egid_new, sgid_new;
krgid = make_kgid(ns, rgid);
kegid = make_kgid(ns, egid);
@@ -775,23 +781,28 @@ long __sys_setresgid(gid_t rgid, gid_t egid, gid_t sgid)
if ((sgid != (gid_t) -1) && !gid_valid(ksgid))
return -EINVAL;
old = current_cred();
/* check for no-op */
if ((rgid == (gid_t) -1 || gid_eq(krgid, old->gid)) &&
(egid == (gid_t) -1 || (gid_eq(kegid, old->egid) &&
gid_eq(kegid, old->fsgid))) &&
(sgid == (gid_t) -1 || gid_eq(ksgid, old->sgid)))
return 0;
rgid_new = rgid != (gid_t) -1 && !gid_eq(krgid, old->gid) &&
!gid_eq(krgid, old->egid) && !gid_eq(krgid, old->sgid);
egid_new = egid != (gid_t) -1 && !gid_eq(kegid, old->gid) &&
!gid_eq(kegid, old->egid) && !gid_eq(kegid, old->sgid);
sgid_new = sgid != (gid_t) -1 && !gid_eq(ksgid, old->gid) &&
!gid_eq(ksgid, old->egid) && !gid_eq(ksgid, old->sgid);
if ((rgid_new || egid_new || sgid_new) &&
!ns_capable_setid(old->user_ns, CAP_SETGID))
return -EPERM;
new = prepare_creds();
if (!new)
return -ENOMEM;
old = current_cred();
retval = -EPERM;
if (!ns_capable_setid(old->user_ns, CAP_SETGID)) {
if (rgid != (gid_t) -1 && !gid_eq(krgid, old->gid) &&
!gid_eq(krgid, old->egid) && !gid_eq(krgid, old->sgid))
goto error;
if (egid != (gid_t) -1 && !gid_eq(kegid, old->gid) &&
!gid_eq(kegid, old->egid) && !gid_eq(kegid, old->sgid))
goto error;
if (sgid != (gid_t) -1 && !gid_eq(ksgid, old->gid) &&
!gid_eq(ksgid, old->egid) && !gid_eq(ksgid, old->sgid))
goto error;
}
if (rgid != (gid_t) -1)
new->gid = krgid;

12
mm/backing-dev.c
View File

@@ -380,6 +380,15 @@ static LIST_HEAD(offline_cgwbs);
static void cleanup_offline_cgwbs_workfn(struct work_struct *work);
static DECLARE_WORK(cleanup_offline_cgwbs_work, cleanup_offline_cgwbs_workfn);
static void cgwb_free_rcu(struct rcu_head *rcu_head)
{
struct bdi_writeback *wb = container_of(rcu_head,
struct bdi_writeback, rcu);
percpu_ref_exit(&wb->refcnt);
kfree(wb);
}
static void cgwb_release_workfn(struct work_struct *work)
{
struct bdi_writeback *wb = container_of(work, struct bdi_writeback,
@@ -402,11 +411,10 @@ static void cgwb_release_workfn(struct work_struct *work)
list_del(&wb->offline_node);
spin_unlock_irq(&cgwb_lock);
percpu_ref_exit(&wb->refcnt);
wb_exit(wb);
bdi_put(bdi);
WARN_ON_ONCE(!list_empty(&wb->b_attached));
kfree_rcu(wb, rcu);
call_rcu(&wb->rcu, cgwb_free_rcu);
}
static void cgwb_release(struct percpu_ref *refcnt)