The following commit has been merged into the x86/core branch of tip:
Commit-ID: 1d738dbb252f66dd909a662d85c67b93314d7ae7
Gitweb: https://git.kernel.org/tip/1d738dbb252f66dd909a662d85c67b93314d7ae7
Author: Sean Christopherson <seanjc@google.com>
AuthorDate: Thu, 22 May 2025 16:37:25 -07:00
Committer: Borislav Petkov (AMD) <bp@alien8.de>
CommitterDate: Thu, 10 Jul 2025 13:07:26 +02:00
drm/gpu: Remove dead checks on wbinvd_on_all_cpus()'s return value
Remove the checks and associated pr_err() on wbinvd_on_all_cpus() failure,
as the helper has unconditionally returned 0/success since commit
caa759323c73 ("smp: Remove smp_call_function() and on_each_cpu() return values").
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20250522233733.3176144-2-seanjc@google.com
---
drivers/gpu/drm/drm_cache.c | 9 +++------
1 file changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/gpu/drm/drm_cache.c b/drivers/gpu/drm/drm_cache.c
index 7051c9c..ea1d2d5 100644
--- a/drivers/gpu/drm/drm_cache.c
+++ b/drivers/gpu/drm/drm_cache.c
@@ -93,8 +93,7 @@ drm_clflush_pages(struct page *pages[], unsigned long num_pages)
return;
}
- if (wbinvd_on_all_cpus())
- pr_err("Timed out waiting for cache flush\n");
+ wbinvd_on_all_cpus();
#elif defined(__powerpc__)
unsigned long i;
@@ -139,8 +138,7 @@ drm_clflush_sg(struct sg_table *st)
return;
}
- if (wbinvd_on_all_cpus())
- pr_err("Timed out waiting for cache flush\n");
+ wbinvd_on_all_cpus();
#else
WARN_ONCE(1, "Architecture has no drm_cache.c support\n");
#endif
@@ -172,8 +170,7 @@ drm_clflush_virt_range(void *addr, unsigned long length)
return;
}
- if (wbinvd_on_all_cpus())
- pr_err("Timed out waiting for cache flush\n");
+ wbinvd_on_all_cpus();
#else
WARN_ONCE(1, "Architecture has no drm_cache.c support\n");
#endif