| Message ID | 52fd058d-6d72-48db-8e61-5fcddcd0aa51@gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2] PCI: Annotate pci_cache_line_size variables as __ro_after_init | expand |
On Thu, Apr 18, 2024 at 08:29:21PM +0200, Heiner Kallweit wrote: > Annotate both variables as __ro_after_init, enforcing that they can't > be changed after the init phase. > > Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> Applied to pci/misc for v6.10, thanks! > --- > v2: > - remove annotation from extern declaration in pci.h > --- > drivers/pci/pci.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index 5f8edba78..59aaebb67 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -142,8 +142,8 @@ enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_DEFAULT; > * the dfl or actual value as it sees fit. Don't forget this is > * measured in 32-bit words, not bytes. > */ > -u8 pci_dfl_cache_line_size = L1_CACHE_BYTES >> 2; > -u8 pci_cache_line_size; > +u8 pci_dfl_cache_line_size __ro_after_init = L1_CACHE_BYTES >> 2; > +u8 pci_cache_line_size __ro_after_init ; > > /* > * If we set up a device for bus mastering, we need to check the latency > -- > 2.44.0
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index 5f8edba78..59aaebb67 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -142,8 +142,8 @@ enum pcie_bus_config_types pcie_bus_config = PCIE_BUS_DEFAULT; * the dfl or actual value as it sees fit. Don't forget this is * measured in 32-bit words, not bytes. */ -u8 pci_dfl_cache_line_size = L1_CACHE_BYTES >> 2; -u8 pci_cache_line_size; +u8 pci_dfl_cache_line_size __ro_after_init = L1_CACHE_BYTES >> 2; +u8 pci_cache_line_size __ro_after_init ; /* * If we set up a device for bus mastering, we need to check the latency
Annotate both variables as __ro_after_init, enforcing that they can't be changed after the init phase. Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com> --- v2: - remove annotation from extern declaration in pci.h --- drivers/pci/pci.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)