| Message ID | 20210406174031.64299-13-richard.henderson@linaro.org |
|---|---|
| State | New |
| Headers | show |
| Series | target/arm mte fixes | expand |
Le 06/04/2021 à 19:40, Richard Henderson a écrit : > Unfortuately, the elements of PAGE_* were not in numerical > order and so PAGE_ANON was added to an "unused" bit. > As an arbitrary choice, move PAGE_TARGET_{1,2} together. > > Cc: Laurent Vivier <laurent@vivier.eu> > Fixes: 26bab757d41b ("linux-user: Introduce PAGE_ANON") > Buglink: https://bugs.launchpad.net/bugs/1922617 > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > include/exec/cpu-all.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h > index d76b0b9e02..32cfb634c6 100644 > --- a/include/exec/cpu-all.h > +++ b/include/exec/cpu-all.h > @@ -268,8 +268,8 @@ extern intptr_t qemu_host_page_mask; > #define PAGE_RESERVED 0x0100 > #endif > /* Target-specific bits that will be used via page_get_flags(). */ > -#define PAGE_TARGET_1 0x0080 > -#define PAGE_TARGET_2 0x0200 > +#define PAGE_TARGET_1 0x0200 > +#define PAGE_TARGET_2 0x0400 > > #if defined(CONFIG_USER_ONLY) > void page_dump(FILE *f); > Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Le 06/04/2021 à 19:40, Richard Henderson a écrit : > Unfortuately, the elements of PAGE_* were not in numerical > order and so PAGE_ANON was added to an "unused" bit. > As an arbitrary choice, move PAGE_TARGET_{1,2} together. > > Cc: Laurent Vivier <laurent@vivier.eu> > Fixes: 26bab757d41b ("linux-user: Introduce PAGE_ANON") > Buglink: https://bugs.launchpad.net/bugs/1922617 > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> > --- > include/exec/cpu-all.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h > index d76b0b9e02..32cfb634c6 100644 > --- a/include/exec/cpu-all.h > +++ b/include/exec/cpu-all.h > @@ -268,8 +268,8 @@ extern intptr_t qemu_host_page_mask; > #define PAGE_RESERVED 0x0100 > #endif > /* Target-specific bits that will be used via page_get_flags(). */ > -#define PAGE_TARGET_1 0x0080 > -#define PAGE_TARGET_2 0x0200 > +#define PAGE_TARGET_1 0x0200 > +#define PAGE_TARGET_2 0x0400 > > #if defined(CONFIG_USER_ONLY) > void page_dump(FILE *f); > Tested-by: Laurent Vivier <laurent@vivier.eu>
Richard Henderson <richard.henderson@linaro.org> writes: > Unfortuately, the elements of PAGE_* were not in numerical > order and so PAGE_ANON was added to an "unused" bit. > As an arbitrary choice, move PAGE_TARGET_{1,2} together. > > Cc: Laurent Vivier <laurent@vivier.eu> > Fixes: 26bab757d41b ("linux-user: Introduce PAGE_ANON") > Buglink: https://bugs.launchpad.net/bugs/1922617 > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
On Tue, Apr 06, 2021 at 10:40:31AM -0700, Richard Henderson wrote: > Unfortuately, the elements of PAGE_* were not in numerical > order and so PAGE_ANON was added to an "unused" bit. > As an arbitrary choice, move PAGE_TARGET_{1,2} together. > > Cc: Laurent Vivier <laurent@vivier.eu> > Fixes: 26bab757d41b ("linux-user: Introduce PAGE_ANON") > Buglink: https://bugs.launchpad.net/bugs/1922617 > Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Tested-by: Nathan Chancellor <nathan@kernel.org> > --- > include/exec/cpu-all.h | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h > index d76b0b9e02..32cfb634c6 100644 > --- a/include/exec/cpu-all.h > +++ b/include/exec/cpu-all.h > @@ -268,8 +268,8 @@ extern intptr_t qemu_host_page_mask; > #define PAGE_RESERVED 0x0100 > #endif > /* Target-specific bits that will be used via page_get_flags(). */ > -#define PAGE_TARGET_1 0x0080 > -#define PAGE_TARGET_2 0x0200 > +#define PAGE_TARGET_1 0x0200 > +#define PAGE_TARGET_2 0x0400 > > #if defined(CONFIG_USER_ONLY) > void page_dump(FILE *f); > -- > 2.25.1 > >
diff --git a/include/exec/cpu-all.h b/include/exec/cpu-all.h index d76b0b9e02..32cfb634c6 100644 --- a/include/exec/cpu-all.h +++ b/include/exec/cpu-all.h @@ -268,8 +268,8 @@ extern intptr_t qemu_host_page_mask; #define PAGE_RESERVED 0x0100 #endif /* Target-specific bits that will be used via page_get_flags(). */ -#define PAGE_TARGET_1 0x0080 -#define PAGE_TARGET_2 0x0200 +#define PAGE_TARGET_1 0x0200 +#define PAGE_TARGET_2 0x0400 #if defined(CONFIG_USER_ONLY) void page_dump(FILE *f);
Unfortuately, the elements of PAGE_* were not in numerical order and so PAGE_ANON was added to an "unused" bit. As an arbitrary choice, move PAGE_TARGET_{1,2} together. Cc: Laurent Vivier <laurent@vivier.eu> Fixes: 26bab757d41b ("linux-user: Introduce PAGE_ANON") Buglink: https://bugs.launchpad.net/bugs/1922617 Signed-off-by: Richard Henderson <richard.henderson@linaro.org> --- include/exec/cpu-all.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)