| Message ID | 20171031153832.17746-3-james.morse@arm.com (mailing list archive) |
|---|---|
| State | RFC, archived |
| Headers | show |
* James Morse <james.morse@arm.com> wrote: > GHES is switching to use fixmap for its dynamic mapping of CPER records, > to avoid using ioremap_page_range() in IRQ/NMI context. > > Signed-off-by: James Morse <james.morse@arm.com> > --- > arch/x86/include/asm/fixmap.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h > index dcd9fb55e679..be3cc32db7f0 100644 > --- a/arch/x86/include/asm/fixmap.h > +++ b/arch/x86/include/asm/fixmap.h > @@ -104,6 +104,10 @@ enum fixed_addresses { > FIX_GDT_REMAP_BEGIN, > FIX_GDT_REMAP_END = FIX_GDT_REMAP_BEGIN + NR_CPUS - 1, > > + /* Used for GHES mapping from assorted contexts */ > + FIX_APEI_GHES_IRQ, > + FIX_APEI_GHES_NMI, > + Acked-by: Ingo Molnar <mingo@kernel.org> Thanks, Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
On Tue, Oct 31, 2017 at 03:38:28PM +0000, James Morse wrote: > GHES is switching to use fixmap for its dynamic mapping of CPER records, > to avoid using ioremap_page_range() in IRQ/NMI context. > > Signed-off-by: James Morse <james.morse@arm.com> > --- > arch/x86/include/asm/fixmap.h | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h > index dcd9fb55e679..be3cc32db7f0 100644 > --- a/arch/x86/include/asm/fixmap.h > +++ b/arch/x86/include/asm/fixmap.h > @@ -104,6 +104,10 @@ enum fixed_addresses { > FIX_GDT_REMAP_BEGIN, > FIX_GDT_REMAP_END = FIX_GDT_REMAP_BEGIN + NR_CPUS - 1, > > + /* Used for GHES mapping from assorted contexts */ > + FIX_APEI_GHES_IRQ, > + FIX_APEI_GHES_NMI, Maybe I'm missing something but shouldn't those two be inside CONFIG_ACPI_APEI_GHES ifdeffery? Ditto for the ARM side.
diff --git a/arch/x86/include/asm/fixmap.h b/arch/x86/include/asm/fixmap.h index dcd9fb55e679..be3cc32db7f0 100644 --- a/arch/x86/include/asm/fixmap.h +++ b/arch/x86/include/asm/fixmap.h @@ -104,6 +104,10 @@ enum fixed_addresses { FIX_GDT_REMAP_BEGIN, FIX_GDT_REMAP_END = FIX_GDT_REMAP_BEGIN + NR_CPUS - 1, + /* Used for GHES mapping from assorted contexts */ + FIX_APEI_GHES_IRQ, + FIX_APEI_GHES_NMI, + __end_of_permanent_fixed_addresses, /*
GHES is switching to use fixmap for its dynamic mapping of CPER records, to avoid using ioremap_page_range() in IRQ/NMI context. Signed-off-by: James Morse <james.morse@arm.com> --- arch/x86/include/asm/fixmap.h | 4 ++++ 1 file changed, 4 insertions(+)